# willem.com

> Personal website of Willem L. Middelkoop: Dutch software developer, entrepreneur and writer. He builds robust software for business, made independent apps that passed 40 million downloads (Snake '97, Block 89, Outburn 87), and has written a decade of essays on software, design, sport and life.

Bilingual site: English lives under /en/, Dutch under /nl/; every blog post exists in both languages. Contact: mail@willem.com. Rates and working method are on the FAQ page.

## Main pages

- [Home (English)](https://willem.com/en/): who Willem is, what he builds, how to reach him
- [Home (Nederlands)](https://willem.com/nl/): dezelfde pagina in het Nederlands
- [CV](https://willem.com/en/about/): work experience, volunteer work, education ([NL](https://willem.com/nl/over/))
- [FAQ](https://willem.com/en/faq/): rates, technologies, apps, how a project works ([NL](https://willem.com/nl/veelgestelde-vragen/))
- [Blog archive](https://willem.com/en/blog/): all posts, newest first, searchable ([NL](https://willem.com/nl/blog/))

## Feeds and machine indexes

- [RSS feed](https://willem.com/blog/feed.rss): every post in FULL TEXT (English)
- [Atom feed](https://willem.com/blog/feed.atom): the same full-text feed in Atom form
- [sitemap.xml](https://willem.com/sitemap.xml): every indexable page with last-modified dates
- [sitemap.txt](https://willem.com/sitemap.txt): the same list as plain text, one URL per line

## Companies and apps

- [Lemmid B.V.](https://lemmid.nl/): the web platform Willem builds and runs
- [dsd 164 B.V.](https://dsd164.com/): the home of his apps, Snake '97 first among them

## Writing (every post, newest first, English URL + Dutch counterpart)

### 2026
- [Rapid Iteration in Agentic Loops](https://willem.com/en/2026-04-30_rapid-iteration-in-agentic-loops/) · [NL](https://willem.com/nl/2026-04-30_snelle-iteratie-in-agentic-loops/) · 30 Apr 2026
- [It Observes](https://willem.com/en/2026-03-14_it-observes/) · [NL](https://willem.com/nl/2026-03-14_het-observeert/) · 14 Mar 2026
- [Agentic Coding on a Linux VPS](https://willem.com/en/2026-02-20_agentic-coding-on-a-linux-vps/) · [NL](https://willem.com/nl/2026-02-20_agentic-coding-op-een-linux-vps/) · 20 Feb 2026
- [Trail Running](https://willem.com/en/2026-01-21_trail-running/) · [NL](https://willem.com/nl/2026-01-21_trailrunning/) · 21 Jan 2026
- [Change Keeps Coming](https://willem.com/en/2026-01-20_change-keeps-coming/) · [NL](https://willem.com/nl/2026-01-20_verandering-blijft-komen/) · 20 Jan 2026
- [Offline Reading](https://willem.com/en/2026-01-19_offline-reading/) · [NL](https://willem.com/nl/2026-01-19_offline-lezen/) · 19 Jan 2026
- [Using a mechanical keyboard](https://willem.com/en/2026-01-18_using-a-mechanical-keyboard/) · [NL](https://willem.com/nl/2026-01-18_een-mechanisch-toetsenbord-gebruiken/) · 18 Jan 2026
- [Hello Video](https://willem.com/en/2026-01-10_hello-video/) · [NL](https://willem.com/nl/2026-01-10_hallo-video/) · 10 Jan 2026
- [Websites with Auto Pilot](https://willem.com/en/2026-01-07_websites-with-auto-pilot/) · [NL](https://willem.com/nl/2026-01-07_websites-met-automatische-piloot/) · 7 Jan 2026

### 2025
- [The Future of AI is Human](https://willem.com/en/2025-09-24_the-future-of-ai-is-human/) · [NL](https://willem.com/nl/2025-09-24_de-toekomst-van-ai-is-menselijk/) · 24 Sep 2025
- [Omarchy on iMac](https://willem.com/en/2025-09-22_omarchy-on-imac/) · [NL](https://willem.com/nl/2025-09-22_omarchy-op-imac/) · 22 Sep 2025
- [Auscultare Podcast + Audiobook Player](https://willem.com/en/2025-08-29_auscultare-podcast-audiobook-player/) · [NL](https://willem.com/nl/2025-08-29_auscultare-podcast-en-audioboekspeler/) · 29 Aug 2025
- [Android Photo Library App](https://willem.com/en/2025-08-19_android-photo-library-app/) · [NL](https://willem.com/nl/2025-08-19_android-fotobibliotheek-app/) · 19 Aug 2025
- [Willemstagram](https://willem.com/en/2025-08-11_willemstagram/) · [NL](https://willem.com/nl/2025-08-11_willemstagram/) · 11 Aug 2025
- [Towards Digital Sovereignty](https://willem.com/en/2025-08-02_towards-digital-sovereignty/) · [NL](https://willem.com/nl/2025-08-02_naar-digitale-soevereiniteit/) · 2 Aug 2025
- [The Agentic Web](https://willem.com/en/2025-07-26_the-agentic-web/) · [NL](https://willem.com/nl/2025-07-26_het-agentic-web/) · 26 Jul 2025
- [The Power of One](https://willem.com/en/2025-07-23_the-power-of-one/) · [NL](https://willem.com/nl/2025-07-23_de-kracht-van-een/) · 23 Jul 2025
- [Breaking Changes](https://willem.com/en/2025-06-04_breaking-changes/) · [NL](https://willem.com/nl/2025-06-04_brekende-wijzigingen/) · 4 Jun 2025
- [When the Going Gets Tough](https://willem.com/en/2025-05-12_when-the-going-gets-tough/) · [NL](https://willem.com/nl/2025-05-12_als-het-zwaar-wordt/) · 12 May 2025
- [Vibe Coding](https://willem.com/en/2025-04-15_vibe-coding/) · [NL](https://willem.com/nl/2025-04-15_vibe-coding/) · 15 Apr 2025
- [Workout data in 3D](https://willem.com/en/2025-03-10_workout-data-in-3d/) · [NL](https://willem.com/nl/2025-03-10_trainingsdata-in-3d/) · 10 Mar 2025
- [Open-Sourcing Gran Fondo](https://willem.com/en/2025-03-06_open-sourcing-gran-fondo/) · [NL](https://willem.com/nl/2025-03-06_open-sourcing-gran-fondo/) · 6 Mar 2025
- [Durable Smartphone](https://willem.com/en/2025-03-05_durable-smartphone/) · [NL](https://willem.com/nl/2025-03-05_duurzame-smartphone/) · 5 Mar 2025
- [Better Laptop](https://willem.com/en/2025-02-10_better-laptop/) · [NL](https://willem.com/nl/2025-02-10_betere-laptop/) · 10 Feb 2025
- [Podcast Downloader](https://willem.com/en/2025-01-27_podcast-downloader/) · [NL](https://willem.com/nl/2025-01-27_podcast-downloader/) · 27 Jan 2025
- [Champions League of Webdesign](https://willem.com/en/2025-01-23_champions-league-of-webdesign/) · [NL](https://willem.com/nl/2025-01-23_champions-league-van-webdesign/) · 23 Jan 2025
- [Master of Change](https://willem.com/en/2025-01-18_master-of-change/) · [NL](https://willem.com/nl/2025-01-18_meester-van-verandering/) · 18 Jan 2025

### 2024
- [Data versus Feeling](https://willem.com/en/2024-12-19_data-versus-feeling/) · [NL](https://willem.com/nl/2024-12-19_gegevens-versus-gevoel/) · 19 Dec 2024
- [The Problem With Bitcoin](https://willem.com/en/2024-12-09_the-problem-with-bitcoin/) · [NL](https://willem.com/nl/2024-12-09_het-probleem-met-bitcoin/) · 9 Dec 2024
- [Write your own words](https://willem.com/en/2024-11-11_write-your-own-words/) · [NL](https://willem.com/nl/2024-11-11_schrijf-je-eigen-woorden/) · 11 Nov 2024
- [Go Viral on X](https://willem.com/en/2024-11-10_go-viral-on-x/) · [NL](https://willem.com/nl/2024-11-10_viral-gaan-op-x/) · 10 Nov 2024
- [Marathon](https://willem.com/en/2024-10-20_marathon/) · [NL](https://willem.com/nl/2024-10-20_marathon/) · 20 Oct 2024
- [I see dead people](https://willem.com/en/2024-09-10_i-see-dead-people/) · [NL](https://willem.com/nl/2024-09-10_ik-zie-dode-mensen/) · 10 Sep 2024
- [Developing a native iOS app](https://willem.com/en/2024-05-11_developing-a-native-ios-app/) · [NL](https://willem.com/nl/2024-05-11_het-ontwikkelen-van-een-native-ios-app/) · 11 May 2024
- [Half Marathon](https://willem.com/en/2024-03-24_half-marathon/) · [NL](https://willem.com/nl/2024-03-24_halve-marathon/) · 24 Mar 2024
- [No, I Won't Build That!](https://willem.com/en/2024-03-05_no-i-won-t-build-that/) · [NL](https://willem.com/nl/2024-03-05_nee-dat-ga-ik-niet-bouwen/) · 5 Mar 2024
- [Vision Pro](https://willem.com/en/2024-02-16_vision-pro/) · [NL](https://willem.com/nl/2024-02-16_vision-pro/) · 16 Feb 2024
- [Health and fitness data](https://willem.com/en/2024-01-16_health-and-fitness-data/) · [NL](https://willem.com/nl/2024-01-16_gegevens-over-gezondheid-en-fitness/) · 16 Jan 2024

### 2023
- [Backup Rotation Scheme](https://willem.com/en/2023-12-15_backup-rotation-scheme/) · [NL](https://willem.com/nl/2023-12-15_back-uprotatieschema/) · 15 Dec 2023
- [Apple Watch as Phone](https://willem.com/en/2023-11-10_apple-watch-as-phone/) · [NL](https://willem.com/nl/2023-11-10_apple-watch-als-telefoon/) · 10 Nov 2023
- [And... there is light!](https://willem.com/en/2023-11-01_and-there-is-light/) · [NL](https://willem.com/nl/2023-11-01_en-daar-is-licht/) · 1 Nov 2023
- [Giving AI Training](https://willem.com/en/2023-10-14_giving-ai-training/) · [NL](https://willem.com/nl/2023-10-14_ai-training/) · 14 Oct 2023
- [Hello, stranger](https://willem.com/en/2023-10-13_hello-stranger/) · [NL](https://willem.com/nl/2023-10-13_hallo-vreemdeling/) · 13 Oct 2023
- [The Same, Differently](https://willem.com/en/2023-08-23_the-same-differently/) · [NL](https://willem.com/nl/2023-08-23_hetzelfde-anders/) · 23 Aug 2023
- [Impact of training](https://willem.com/en/2023-05-31_impact-of-training/) · [NL](https://willem.com/nl/2023-05-31_impact-van-training/) · 31 May 2023
- [Tablet as Tool](https://willem.com/en/2023-05-08_tablet-as-tool/) · [NL](https://willem.com/nl/2023-05-08_tablet-als-gereedschap/) · 8 May 2023
- [Using AI to generate code](https://willem.com/en/2023-05-03_using-ai-to-generate-code/) · [NL](https://willem.com/nl/2023-05-03_ai-gebruiken-om-code-te-genereren/) · 3 May 2023
- [Working Offline First](https://willem.com/en/2023-05-01_working-offline-first/) · [NL](https://willem.com/nl/2023-05-01_offline-werken/) · 1 May 2023
- [Tips for Long-Distance Cycling](https://willem.com/en/2023-04-20_tips-for-long-distance-cycling/) · [NL](https://willem.com/nl/2023-04-20_tips-voor-lange-afstandsfietsen/) · 20 Apr 2023
- [Cutting Cloud Costs](https://willem.com/en/2023-04-05_cutting-cloud-costs/) · [NL](https://willem.com/nl/2023-04-05_cloudkosten-verlagen/) · 5 Apr 2023
- [Back to the University](https://willem.com/en/2023-02-08_back-to-the-university/) · [NL](https://willem.com/nl/2023-02-08_terug-naar-de-universiteit/) · 8 Feb 2023

### 2022
- [Rolex DateJust 36](https://willem.com/en/2022-12-22_rolex-datejust-36/) · [NL](https://willem.com/nl/2022-12-22_rolex-datejust-36/) · 22 Dec 2022
- [Moving to the countryside](https://willem.com/en/2022-11-01_moving-to-the-countryside/) · [NL](https://willem.com/nl/2022-11-01_verhuizen-naar-het-platteland/) · 1 Nov 2022
- [MUSE in Carré](https://willem.com/en/2022-10-23_muse-in-carre/) · [NL](https://willem.com/nl/2022-10-23_muse-in-carre/) · 23 Oct 2022
- [The Ultimate Freedom Bike](https://willem.com/en/2022-09-15_the-ultimate-freedom-bike/) · [NL](https://willem.com/nl/2022-09-15_de-ultieme-vrijheidsfiets/) · 15 Sep 2022
- [Computer says no](https://willem.com/en/2022-09-11_computer-says-no/) · [NL](https://willem.com/nl/2022-09-11_computer-zegt-nee/) · 11 Sep 2022
- [CAPTCHA Alternative](https://willem.com/en/2022-07-30_captcha-alternative/) · [NL](https://willem.com/nl/2022-07-30_captcha-alternatief/) · 30 Jul 2022
- [Offline Music](https://willem.com/en/2022-07-17_offline-music/) · [NL](https://willem.com/nl/2022-07-17_offline-muziek/) · 17 Jul 2022
- [Snake '97 High Scores](https://willem.com/en/2022-04-18_snake-97-high-scores/) · [NL](https://willem.com/nl/2022-04-18_snake-97-highscores/) · 18 Apr 2022
- [Wearing WHOOP 4.0](https://willem.com/en/2022-01-14_wearing-whoop-4-0/) · [NL](https://willem.com/nl/2022-01-14_whoop-4-0-dragen/) · 14 Jan 2022

### 2021
- [For the love of mini](https://willem.com/en/2021-12-09_for-the-love-of-mini/) · [NL](https://willem.com/nl/2021-12-09_uit-liefde-voor-mini/) · 9 Dec 2021
- [Escaping the flat tires](https://willem.com/en/2021-11-19_escaping-the-flat-tires/) · [NL](https://willem.com/nl/2021-11-19_ontsnappen-aan-de-lekke-banden/) · 19 Nov 2021
- [Using Google Free Android](https://willem.com/en/2021-10-25_using-google-free-android/) · [NL](https://willem.com/nl/2021-10-25_google-free-android-gebruiken/) · 25 Oct 2021
- [Inspiration from a child](https://willem.com/en/2021-09-30_inspiration-from-a-child/) · [NL](https://willem.com/nl/2021-09-30_inspiratie-van-een-kind/) · 30 Sep 2021
- [Protecting VMware ESXi](https://willem.com/en/2021-08-31_protecting-vmware-esxi/) · [NL](https://willem.com/nl/2021-08-31_vmware-esxi-beveiligen/) · 31 Aug 2021
- [The birth of a child](https://willem.com/en/2021-07-13_the-birth-of-a-child/) · [NL](https://willem.com/nl/2021-07-13_de-geboorte-van-een-kind/) · 13 Jul 2021
- [Migrating to the Cloud](https://willem.com/en/2021-06-30_migrating-to-the-cloud/) · [NL](https://willem.com/nl/2021-06-30_migreren-naar-de-cloud/) · 30 Jun 2021
- [Wearing Grand Seiko](https://willem.com/en/2021-06-05_wearing-grand-seiko/) · [NL](https://willem.com/nl/2021-06-05_het-dragen-van-een-grand-seiko/) · 5 Jun 2021
- [Using the reMarkable paper tablet](https://willem.com/en/2021-05-31_using-the-remarkable-paper-tablet/) · [NL](https://willem.com/nl/2021-05-31_het-gebruik-van-de-remarkable-paper-tablet/) · 31 May 2021
- [Hospitalised with MCADD](https://willem.com/en/2021-05-04_hospitalised-with-mcadd/) · [NL](https://willem.com/nl/2021-05-04_opgenomen-in-het-ziekenhuis-met-mcadd/) · 4 May 2021
- [Enter text without keys](https://willem.com/en/2021-04-15_enter-text-without-keys/) · [NL](https://willem.com/nl/2021-04-15_tekst-invoeren-zonder-toetsen/) · 15 Apr 2021
- [Fixed Gear Gran Fondo](https://willem.com/en/2021-04-10_fixed-gear-gran-fondo/) · [NL](https://willem.com/nl/2021-04-10_fixed-gear-gran-fondo/) · 10 Apr 2021
- [Art of visualisation](https://willem.com/en/2021-03-26_art-of-visualisation/) · [NL](https://willem.com/nl/2021-03-26_visualisatiekunst/) · 26 Mar 2021
- [Three tips to make a content strategy work](https://willem.com/en/2021-03-25_three-tips-to-make-a-content-strategy-work/) · [NL](https://willem.com/nl/2021-03-25_drie-tips-om-een-contentstrategie-te-laten-werken/) · 25 Mar 2021
- [Wearing two watches](https://willem.com/en/2021-02-28_wearing-two-watches/) · [NL](https://willem.com/nl/2021-02-28_het-dragen-van-twee-horloges/) · 28 Feb 2021
- [The value of notifications](https://willem.com/en/2021-02-22_the-value-of-notifications/) · [NL](https://willem.com/nl/2021-02-22_de-waarde-van-notificaties/) · 22 Feb 2021
- [Realtime service uptime monitoring](https://willem.com/en/2021-02-02_realtime-service-uptime-monitoring/) · [NL](https://willem.com/nl/2021-02-02_realtime-bewaking-van-de-uptime-van-services/) · 2 Feb 2021
- [Building a product platform](https://willem.com/en/2021-01-31_building-a-product-platform/) · [NL](https://willem.com/nl/2021-01-31_een-productplatform-bouwen/) · 31 Jan 2021
- [Abandoning my own tablet OS](https://willem.com/en/2021-01-14_abandoning-my-own-tablet-os/) · [NL](https://willem.com/nl/2021-01-14_mijn-eigen-tablet-os-vaarwel-zeggen/) · 14 Jan 2021
- [Commuter bike checkup](https://willem.com/en/2021-01-10_commuter-bike-checkup/) · [NL](https://willem.com/nl/2021-01-10_controle-van-de-forenzenfiets/) · 10 Jan 2021

### 2020
- [Working with special hardware from China](https://willem.com/en/2020-12-31_working-with-special-hardware-from-china/) · [NL](https://willem.com/nl/2020-12-31_werken-met-speciale-hardware-uit-china/) · 31 Dec 2020
- [Why Apple Silicon is a big deal](https://willem.com/en/2020-12-15_why-apple-silicon-is-a-big-deal/) · [NL](https://willem.com/nl/2020-12-15_waarom-apple-silicon-zo-belangrijk-is/) · 15 Dec 2020
- [Designing a multi dimensional capacity queue](https://willem.com/en/2020-12-02_designing-a-multi-dimensional-capacity-queue/) · [NL](https://willem.com/nl/2020-12-02_het-ontwerpen-van-een-multidimensionale-capaciteitswachtrij/) · 2 Dec 2020
- [Designing my own watch](https://willem.com/en/2020-11-30_designing-my-own-watch/) · [NL](https://willem.com/nl/2020-11-30_het-ontwerpen-van-mijn-eigen-horloge/) · 30 Nov 2020
- [Replacing a Shimano shift cable](https://willem.com/en/2020-11-22_replacing-a-shimano-shift-cable/) · [NL](https://willem.com/nl/2020-11-22_shimano-schakelkabel-vervangen/) · 22 Nov 2020
- [The joy of a simple laptop](https://willem.com/en/2020-11-03_the-joy-of-a-simple-laptop/) · [NL](https://willem.com/nl/2020-11-03_het-plezier-van-een-simpele-laptop/) · 3 Nov 2020
- [Increase traffic to your blog with a RSS feed](https://willem.com/en/2020-10-31_increase-traffic-to-your-blog-with-a-rss-feed/) · [NL](https://willem.com/nl/2020-10-31_vergroot-het-verkeer-naar-je-blog-met-een-rss-feed/) · 31 Oct 2020
- [How to use rsync to make backups](https://willem.com/en/2020-10-30_how-to-use-rsync-to-make-backups/) · [NL](https://willem.com/nl/2020-10-30_hoe-rsync-te-gebruiken-voor-backups/) · 30 Oct 2020
- [Rescuing photos from a crashed iMac](https://willem.com/en/2020-10-15_rescuing-photos-from-a-crashed-imac/) · [NL](https://willem.com/nl/2020-10-15_foto-s-redden-van-een-gecrashte-imac/) · 15 Oct 2020
- [Riding with Omata One](https://willem.com/en/2020-09-29_riding-with-omata-one/) · [NL](https://willem.com/nl/2020-09-29_fietsen-met-omata-one/) · 29 Sep 2020
- [Refining my tablet OS experience](https://willem.com/en/2020-09-28_refining-my-tablet-os-experience/) · [NL](https://willem.com/nl/2020-09-28_mijn-tablet-os-ervaring-verfijnen/) · 28 Sep 2020
- [Syncing files seamlessly between smartphone and tablet](https://willem.com/en/2020-09-16_syncing-files-seamlessly-between-smartphone-and-tablet/) · [NL](https://willem.com/nl/2020-09-16_bestanden-naadloos-synchroniseren-tussen-smartphone-en-tablet/) · 16 Sep 2020
- [Free from the iCloud: Escaping Apple Photos](https://willem.com/en/2020-08-31_free-from-the-icloud-escaping-apple-photos/) · [NL](https://willem.com/nl/2020-08-31_bevrijd-van-icloud-ontsnappen-aan-apple-foto-s/) · 31 Aug 2020
- [Cleaning a vintage watch](https://willem.com/en/2020-08-23_cleaning-a-vintage-watch/) · [NL](https://willem.com/nl/2020-08-23_het-reinigen-van-een-vintage-horloge/) · 23 Aug 2020
- [The best keyboard for iPad](https://willem.com/en/2020-08-11_the-best-keyboard-for-ipad/) · [NL](https://willem.com/nl/2020-08-11_het-beste-toetsenbord-voor-ipad/) · 11 Aug 2020
- [Influencing purchase behaviour](https://willem.com/en/2020-07-31_influencing-purchase-behaviour/) · [NL](https://willem.com/nl/2020-07-31_invloed-uitoefenen-op-aankoopgedrag/) · 31 Jul 2020
- [Upgrading a 27-inch iMac 5K to 14 terabytes](https://willem.com/en/2020-07-30_upgrading-a-27-inch-imac-5k-to-14-terabytes/) · [NL](https://willem.com/nl/2020-07-30_een-27-inch-imac-5k-upgraden-naar-14-terabyte/) · 30 Jul 2020
- [Repairing a Giro AEON bicycle helmet](https://willem.com/en/2020-07-09_repairing-a-giro-aeon-bicycle-helmet/) · [NL](https://willem.com/nl/2020-07-09_reparatie-van-een-giro-aeon-fietshelm/) · 9 Jul 2020
- [Some thoughts on touch screen user interface design](https://willem.com/en/2020-06-24_some-thoughts-on-touch-screen-user-interface-design/) · [NL](https://willem.com/nl/2020-06-24_enkele-gedachten-over-touchscreen-user-interface-design/) · 24 Jun 2020
- [Tudor Black Bay 36 long-term review](https://willem.com/en/2020-06-17_tudor-black-bay-36-long-term-review/) · [NL](https://willem.com/nl/2020-06-17_tudor-black-bay-36-lange-termijn-review/) · 17 Jun 2020
- [Linking Lemmid Store with kitchens](https://willem.com/en/2020-06-12_linking-lemmid-store-with-kitchens/) · [NL](https://willem.com/nl/2020-06-12_lemmid-store-koppelen-met-keukens/) · 12 Jun 2020
- [Different ways to visualise health](https://willem.com/en/2020-05-25_different-ways-to-visualise-health/) · [NL](https://willem.com/nl/2020-05-25_verschillende-manieren-om-gezondheid-te-visualiseren/) · 25 May 2020
- [Scalable application design without magic](https://willem.com/en/2020-05-11_scalable-application-design-without-magic/) · [NL](https://willem.com/nl/2020-05-11_schaalbaar-applicatieontwerp-zonder-magie/) · 11 May 2020
- [Designing an interface for a food ordering page](https://willem.com/en/2020-05-01_designing-an-interface-for-a-food-ordering-page/) · [NL](https://willem.com/nl/2020-05-01_een-interface-ontwerpen-voor-een-bestelpagina-voor-eten/) · 1 May 2020
- [Minimalistic road bike with Gates carbon drive](https://willem.com/en/2020-04-30_minimalistic-road-bike-with-gates-carbon-drive/) · [NL](https://willem.com/nl/2020-04-30_minimalistische-racefiets-met-gates-carbon-drive/) · 30 Apr 2020
- [Talking tablets: what makes a great tablet?](https://willem.com/en/2020-04-14_talking-tablets-what-makes-a-great-tablet/) · [NL](https://willem.com/nl/2020-04-14_talking-tablets-wat-maakt-een-tablet-geweldig/) · 14 Apr 2020
- [Traffic shaping using iptables and tc](https://willem.com/en/2020-04-01_traffic-shaping-using-iptables-and-tc/) · [NL](https://willem.com/nl/2020-04-01_verkeer-vormgeven-met-iptables-en-tc/) · 1 Apr 2020
- [Designing and implementing a (micro) payment system](https://willem.com/en/2020-03-25_designing-and-implementing-a-micro-payment-system/) · [NL](https://willem.com/nl/2020-03-25_het-ontwerpen-en-implementeren-van-een-micro-betaalsysteem/) · 25 Mar 2020
- [Making my own tablet OS](https://willem.com/en/2020-03-09_making-my-own-tablet-os/) · [NL](https://willem.com/nl/2020-03-09_mijn-eigen-tablet-os-maken/) · 9 Mar 2020
- [Monolithic vs Microservices software architecture](https://willem.com/en/2020-03-03_monolithic-vs-microservices-software-architecture/) · [NL](https://willem.com/nl/2020-03-03_monolithische-versus-microservices-softwarearchitectuur/) · 3 Mar 2020
- [Your own addressbook and calendar cloud](https://willem.com/en/2020-02-28_your-own-addressbook-and-calendar-cloud/) · [NL](https://willem.com/nl/2020-02-28_je-eigen-adresboek-en-agenda-cloud/) · 28 Feb 2020
- [The day I sold my car](https://willem.com/en/2020-02-13_the-day-i-sold-my-car/) · [NL](https://willem.com/nl/2020-02-13_de-dag-dat-ik-mijn-auto-verkocht/) · 13 Feb 2020
- [Measuring cholesterol levels in blood](https://willem.com/en/2020-01-28_measuring-cholesterol-levels-in-blood/) · [NL](https://willem.com/nl/2020-01-28_cholesterolgehalte-in-het-bloed-meten/) · 28 Jan 2020
- [Improve your sleep by blocking light](https://willem.com/en/2020-01-24_improve-your-sleep-by-blocking-light/) · [NL](https://willem.com/nl/2020-01-24_verbeter-je-slaap-door-licht-te-blokkeren/) · 24 Jan 2020

### 2019
- [Whoop strap review: 24/7 wearable sensor](https://willem.com/en/2019-12-31_whoop-strap-review-24-7-wearable-sensor/) · [NL](https://willem.com/nl/2019-12-31_whoop-band-review-24-7-wearable-sensor/) · 31 Dec 2019
- [Realtime human pose recognition through computer vision](https://willem.com/en/2019-12-01_realtime-human-pose-recognition-through-computer-vision/) · [NL](https://willem.com/nl/2019-12-01_realtime-herkenning-van-menselijke-houdingen-via-computervisie/) · 1 Dec 2019
- [Supernova E3 Pro 2 dynamo powered headlight](https://willem.com/en/2019-11-26_supernova-e3-pro-2-dynamo-powered-headlight/) · [NL](https://willem.com/nl/2019-11-26_supernova-e3-pro-2-dynamo-aangedreven-koplamp/) · 26 Nov 2019
- [Building a professional 72TB NAS](https://willem.com/en/2019-11-22_building-a-professional-72tb-nas/) · [NL](https://willem.com/nl/2019-11-22_een-professionele-72tb-nas-bouwen/) · 22 Nov 2019
- [Flying in a C47-A (DC-3) classic plane](https://willem.com/en/2019-10-19_flying-in-a-c47-a-dc-3-classic-plane/) · [NL](https://willem.com/nl/2019-10-19_vliegen-in-een-c47-a-dc-3-klassiek-vliegtuig/) · 19 Oct 2019
- [Multi-Window support in your iPad app](https://willem.com/en/2019-10-07_multi-window-support-in-your-ipad-app/) · [NL](https://willem.com/nl/2019-10-07_multi-window-ondersteuning-in-je-ipad-app/) · 7 Oct 2019
- [Visiting an international hackers conference](https://willem.com/en/2019-09-27_visiting-an-international-hackers-conference/) · [NL](https://willem.com/nl/2019-09-27_het-bezoeken-van-een-internationale-hackersconferentie/) · 27 Sep 2019
- [Fighting backscatter spam at server level](https://willem.com/en/2019-09-10_fighting-backscatter-spam-at-server-level/) · [NL](https://willem.com/nl/2019-09-10_backscatter-spam-op-serverniveau-bestrijden/) · 10 Sep 2019
- [Riding with a power meter on your bike](https://willem.com/en/2019-08-28_riding-with-a-power-meter-on-your-bike/) · [NL](https://willem.com/nl/2019-08-28_fietsen-met-een-vermogensmeter-op-je-fiets/) · 28 Aug 2019
- [Creating a minimal road bike](https://willem.com/en/2019-08-18_creating-a-minimal-road-bike/) · [NL](https://willem.com/nl/2019-08-18_het-creeren-van-een-minimalistische-racefiets/) · 18 Aug 2019
- [Limitations of sleep tracking using a wearable](https://willem.com/en/2019-07-16_limitations-of-sleep-tracking-using-a-wearable/) · [NL](https://willem.com/nl/2019-07-16_beperkingen-van-slaapregistratie-met-een-wearable/) · 16 Jul 2019
- [Optical vs chest strap heart rate monitors](https://willem.com/en/2019-07-15_optical-vs-chest-strap-heart-rate-monitors/) · [NL](https://willem.com/nl/2019-07-15_optische-vs-borstband-hartslagmeters/) · 15 Jul 2019
- [Assembling a cargo bike](https://willem.com/en/2019-06-25_assembling-a-cargo-bike/) · [NL](https://willem.com/nl/2019-06-25_het-in-elkaar-zetten-van-een-bakfiets/) · 25 Jun 2019
- [Six months with MCADD](https://willem.com/en/2019-06-24_six-months-with-mcadd/) · [NL](https://willem.com/nl/2019-06-24_zes-maanden-met-mcadd/) · 24 Jun 2019
- [Solo around the Markermeer (211KM)](https://willem.com/en/2019-05-29_solo-around-the-markermeer-211km/) · [NL](https://willem.com/nl/2019-05-29_solo-rond-het-markermeer-211km/) · 29 May 2019
- [Dig for dummies](https://willem.com/en/2019-05-24_dig-for-dummies/) · [NL](https://willem.com/nl/2019-05-24_dig-voor-dummies/) · 24 May 2019
- [The best bike computer app: Cyclemeter](https://willem.com/en/2019-04-30_the-best-bike-computer-app-cyclemeter/) · [NL](https://willem.com/nl/2019-04-30_de-beste-fietscomputer-app-cyclemeter/) · 30 Apr 2019
- [Search like a pro: Google search operators](https://willem.com/en/2019-04-25_search-like-a-pro-google-search-operators/) · [NL](https://willem.com/nl/2019-04-25_zoek-als-een-pro-google-zoekoperators/) · 25 Apr 2019
- [WordPress: 10 tips to secure your website](https://willem.com/en/2019-03-31_wordpress-10-tips-to-secure-your-website/) · [NL](https://willem.com/nl/2019-03-31_wordpress-10-tips-om-je-website-te-beveiligen/) · 31 Mar 2019
- [Servicing a robot vacuum cleaner](https://willem.com/en/2019-03-20_servicing-a-robot-vacuum-cleaner/) · [NL](https://willem.com/nl/2019-03-20_onderhoud-van-een-robotstofzuiger/) · 20 Mar 2019
- [Understanding the security concerns in shared hosting](https://willem.com/en/2019-02-28_understanding-the-security-concerns-in-shared-hosting/) · [NL](https://willem.com/nl/2019-02-28_veiligheidsrisico-s-bij-shared-hosting/) · 28 Feb 2019
- [One year on the ultimate commuter bike](https://willem.com/en/2019-02-27_one-year-on-the-ultimate-commuter-bike/) · [NL](https://willem.com/nl/2019-02-27_een-jaar-op-de-ultieme-forenzenfiets/) · 27 Feb 2019
- [Born with MCADD](https://willem.com/en/2019-01-29_born-with-mcadd/) · [NL](https://willem.com/nl/2019-01-29_geboren-met-mcadd/) · 29 Jan 2019
- [My first weeks as dad](https://willem.com/en/2019-01-24_my-first-weeks-as-dad/) · [NL](https://willem.com/nl/2019-01-24_mijn-eerste-weken-als-papa/) · 24 Jan 2019

### 2018
- [Business in a bag](https://willem.com/en/2018-12-22_business-in-a-bag/) · [NL](https://willem.com/nl/2018-12-22_zaken-in-een-zak/) · 22 Dec 2018
- [Do amazing things with a focused mind](https://willem.com/en/2018-12-06_do-amazing-things-with-a-focused-mind/) · [NL](https://willem.com/nl/2018-12-06_doe-geweldige-dingen-met-een-gefocuste-geest/) · 6 Dec 2018
- [Around town in an electric car](https://willem.com/en/2018-11-16_around-town-in-an-electric-car/) · [NL](https://willem.com/nl/2018-11-16_rond-de-stad-in-een-elektrische-auto/) · 16 Nov 2018
- [Is the Apple Watch the modern tool watch?](https://willem.com/en/2018-11-02_is-the-apple-watch-the-modern-tool-watch/) · [NL](https://willem.com/nl/2018-11-02_is-de-apple-watch-het-moderne-toolhorloge/) · 2 Nov 2018
- [Rescuing files from a broken harddisk](https://willem.com/en/2018-10-16_rescuing-files-from-a-broken-harddisk/) · [NL](https://willem.com/nl/2018-10-16_bestanden-redden-van-een-kapotte-harde-schijf/) · 16 Oct 2018
- [Using a budget Android as main smartphone](https://willem.com/en/2018-10-09_using-a-budget-android-as-main-smartphone/) · [NL](https://willem.com/nl/2018-10-09_een-budget-android-als-primaire-smartphone-gebruiken/) · 9 Oct 2018
- [Swimming and cycling with Apple Watch](https://willem.com/en/2018-09-27_swimming-and-cycling-with-apple-watch/) · [NL](https://willem.com/nl/2018-09-27_zwemmen-en-fietsen-met-apple-watch/) · 27 Sep 2018
- [Optimising images for the web and performance](https://willem.com/en/2018-09-26_optimising-images-for-the-web-and-performance/) · [NL](https://willem.com/nl/2018-09-26_afbeeldingen-optimaliseren-voor-web-en-performance/) · 26 Sep 2018
- [Space travelling from El Teide](https://willem.com/en/2018-08-21_space-travelling-from-el-teide/) · [NL](https://willem.com/nl/2018-08-21_ruimtereizen-vanaf-de-teide/) · 21 Aug 2018
- [Google Analytics vs AWStats](https://willem.com/en/2018-08-20_google-analytics-vs-awstats/) · [NL](https://willem.com/nl/2018-08-20_google-analytics-vs-awstats/) · 20 Aug 2018
- [Helping people with free software](https://willem.com/en/2018-07-20_helping-people-with-free-software/) · [NL](https://willem.com/nl/2018-07-20_mensen-helpen-met-vrije-software/) · 20 Jul 2018
- [Enjoy a festival without alcohol](https://willem.com/en/2018-07-10_enjoy-a-festival-without-alcohol/) · [NL](https://willem.com/nl/2018-07-10_geniet-van-een-festival-zonder-alcohol/) · 10 Jul 2018
- [Removing paint from a bike frame](https://willem.com/en/2018-06-09_removing-paint-from-a-bike-frame/) · [NL](https://willem.com/nl/2018-06-09_verf-verwijderen-van-een-fietsframe/) · 9 Jun 2018
- [Creating a minimal iPhone stand](https://willem.com/en/2018-06-02_creating-a-minimal-iphone-stand/) · [NL](https://willem.com/nl/2018-06-02_een-minimalistische-iphone-standaard-maken/) · 2 Jun 2018
- [Listen to your body](https://willem.com/en/2018-05-17_listen-to-your-body/) · [NL](https://willem.com/nl/2018-05-17_luister-naar-je-lichaam/) · 17 May 2018
- [Lunch by plane](https://willem.com/en/2018-05-09_lunch-by-plane/) · [NL](https://willem.com/nl/2018-05-09_lunch-per-vliegtuig/) · 9 May 2018
- [Off the grid: Working on 100% renewable energy](https://willem.com/en/2018-04-30_off-the-grid-working-on-100-renewable-energy/) · [NL](https://willem.com/nl/2018-04-30_off-grid-werken-op-100-hernieuwbare-energie/) · 30 Apr 2018
- [Outside the comfort zone: amateur acting](https://willem.com/en/2018-04-18_outside-the-comfort-zone-amateur-acting/) · [NL](https://willem.com/nl/2018-04-18_buiten-de-comfortzone-amateurtoneel/) · 18 Apr 2018
- [Cyber security: 5 easy tips to protect your server against hackers](https://willem.com/en/2018-03-10_cyber-security-5-easy-tips-to-protect-your-server-against-hackers/) · [NL](https://willem.com/nl/2018-03-10_cyberbeveiliging-5-eenvoudige-tips-om-je-server-te-beschermen-tegen-hackers/) · 10 Mar 2018
- [Tablet as main computer](https://willem.com/en/2018-03-07_tablet-as-main-computer/) · [NL](https://willem.com/nl/2018-03-07_tablet-als-hoofdcomputer/) · 7 Mar 2018
- [Creating the ultimate commuter bike](https://willem.com/en/2018-02-24_creating-the-ultimate-commuter-bike/) · [NL](https://willem.com/nl/2018-02-24_de-ultieme-forenzenfiets-creeren/) · 24 Feb 2018
- [Updating Snake '97](https://willem.com/en/2018-02-21_updating-snake-97/) · [NL](https://willem.com/nl/2018-02-21_snake-97-updaten/) · 21 Feb 2018
- [Something the smartwatch will never have: patina](https://willem.com/en/2018-01-21_something-the-smartwatch-will-never-have-patina/) · [NL](https://willem.com/nl/2018-01-21_iets-wat-de-smartwatch-nooit-zal-hebben-patina/) · 21 Jan 2018
- [Lessons from a takeaway plastic bag](https://willem.com/en/2018-01-08_lessons-from-a-takeaway-plastic-bag/) · [NL](https://willem.com/nl/2018-01-08_lessen-van-een-plastic-tasje-van-de-afhaal/) · 8 Jan 2018

### 2017
- [Commuting by bike](https://willem.com/en/2017-12-02_commuting-by-bike/) · [NL](https://willem.com/nl/2017-12-02_forenzen-met-de-fiets/) · 2 Dec 2017
- [Collecting health data with Biostrap](https://willem.com/en/2017-11-15_collecting-health-data-with-biostrap/) · [NL](https://willem.com/nl/2017-11-15_gezondheidsgegevens-verzamelen-met-biostrap/) · 15 Nov 2017
- [From tree to table](https://willem.com/en/2017-10-23_from-tree-to-table/) · [NL](https://willem.com/nl/2017-10-23_van-boom-tot-tafel/) · 23 Oct 2017
- [Saving a MacBook Air with exploded battery](https://willem.com/en/2017-09-14_saving-a-macbook-air-with-exploded-battery/) · [NL](https://willem.com/nl/2017-09-14_een-macbook-air-met-geexplodeerde-batterij-redden/) · 14 Sep 2017
- [Climbing Mount Etna](https://willem.com/en/2017-09-02_climbing-mount-etna/) · [NL](https://willem.com/nl/2017-09-02_de-beklimming-van-de-etna/) · 2 Sep 2017
- [Clouds below my floor](https://willem.com/en/2017-08-31_clouds-below-my-floor/) · [NL](https://willem.com/nl/2017-08-31_cloud-onder-mijn-vloer/) · 31 Aug 2017
- [The day I killed my LAN](https://willem.com/en/2017-07-31_the-day-i-killed-my-lan/) · [NL](https://willem.com/nl/2017-07-31_de-dag-dat-ik-mijn-lan-uitzette/) · 31 Jul 2017
- [Fietselfstedentocht 2017](https://willem.com/en/2017-06-30_fietselfstedentocht-2017/) · [NL](https://willem.com/nl/2017-06-30_fietselfstedentocht-2017/) · 30 Jun 2017
- [Beast of the Green Hell](https://willem.com/en/2017-05-31_beast-of-the-green-hell/) · [NL](https://willem.com/nl/2017-05-31_beest-van-de-groene-hel/) · 31 May 2017
- [Smartwatches vs Mechanical watches](https://willem.com/en/2017-04-30_smartwatches-vs-mechanical-watches/) · [NL](https://willem.com/nl/2017-04-30_smartwatches-vs-mechanische-horloges/) · 30 Apr 2017
- [Repairing a Nintendo Gameboy Advance SP](https://willem.com/en/2017-03-26_repairing-a-nintendo-gameboy-advance-sp/) · [NL](https://willem.com/nl/2017-03-26_een-nintendo-gameboy-advance-sp-repareren/) · 26 Mar 2017
- [Programming on Apple Watch](https://willem.com/en/2017-02-16_programming-on-apple-watch/) · [NL](https://willem.com/nl/2017-02-16_programmeren-op-de-apple-watch/) · 16 Feb 2017
- [iPad Pro next to my primary machine](https://willem.com/en/2017-01-30_ipad-pro-next-to-my-primary-machine/) · [NL](https://willem.com/nl/2017-01-30_ipad-pro-naast-mijn-primaire-machine/) · 30 Jan 2017

### 2016
- [One year of cycling](https://willem.com/en/2016-12-31_one-year-of-cycling/) · [NL](https://willem.com/nl/2016-12-31_een-jaar-fietsen/) · 31 Dec 2016
- [Being a volunteer in Amsterdam-Zuidoost](https://willem.com/en/2016-11-21_being-a-volunteer-in-amsterdam-zuidoost/) · [NL](https://willem.com/nl/2016-11-21_vrijwilliger-zijn-in-amsterdam-zuidoost/) · 21 Nov 2016
- [Harvesting boredom to let creativity flourish](https://willem.com/en/2016-10-01_harvesting-boredom-to-let-creativity-flourish/) · [NL](https://willem.com/nl/2016-10-01_oogst-verveling-om-creativiteit-te-laten-bloeien/) · 1 Oct 2016
- [Batavus Champion bike from 1978](https://willem.com/en/2016-09-03_batavus-champion-bike-from-1978/) · [NL](https://willem.com/nl/2016-09-03_batavus-champion-fiets-uit-1978/) · 3 Sep 2016
- [iPad Pro as primary computer](https://willem.com/en/2016-08-15_ipad-pro-as-primary-computer/) · [NL](https://willem.com/nl/2016-08-15_ipad-pro-als-primaire-computer/) · 15 Aug 2016
- [Cash is king, or is it?](https://willem.com/en/2016-07-15_cash-is-king-or-is-it/) · [NL](https://willem.com/nl/2016-07-15_cash-is-king-of-toch-niet/) · 15 Jul 2016
- [Building the blog... in style!](https://willem.com/en/2016-06-23_building-the-blog-in-style/) · [NL](https://willem.com/nl/2016-06-23_het-blog-bouwen-in-stijl/) · 23 Jun 2016