Lemmid B.V.

Lemmid provides internet services for selected Dutch and international customers. Together with the customer Lemmid develops new IT products and services, including websites, web applications and apps.

dsd 164 B.V.

dsd 164 B.V. is a publisher of mobile apps for the international market. Apps from dsd 164 B.V. are downloaded millions of times.

Willem & Laurentz Holding B.V.

The Willem & Laurentz Holding B.V. invests in technology related companies. It is actively contributing to the development of new initiatives.

DigiDef

DigiDef is a specialised bureau that analyses existing computer systems and offers help with improving security.

Snake '97

Play Snake like it is 1997. This is a remake of the original Snake, complete with dot-matrix display and monotone sounds. The game has millions of fans world wide.

Saving a MacBook Air with exploded battery

Don’t try this at home - but I did

Last night I had a nasty surprise: my original MacBook Air was swollen due to an exploded battery. I immediately had to take action, for reasons of safety and to preserve this piece of modern computer history. Don’t try this at home, but if you do... read along for some practical tips.

Climbing Mount Etna

Visiting an active volcano on Sicily, Italy

Last week me and my wife went to Sicily for a little summer holiday. It is the largest island in the Mediterranean Sea. It is an autonomous region of Italy, along with surrounding minor islands. It's home to Europe's largest active volcano: Mount Etna. We had a chance to visit this lava spurring monstrosity and it was quite the experience.

Clouds below my floor

Building a little datacenter in my basement

At my home I have this crazy fast optical internet connection. It is a 600MB up and down fibre connection which directly arrives in my home (no copper cables involved). It's like a private internet highway. Reason enough to find out if I could do something to make better use of all this speedy fiber galore...