For regular illustration and sketchbook updates visit my Facebook page. Naturally there's also my own website and if you still want more ikrotterdam.nl
This one was for an article about the elderly having a long live of leisure in front of them after they pension. Which gets them out of touch with the younger generations. I took the slacking teenagers approach:
A while back I wrote about a published book with my illustrations to celebrate DQ&A's 10th year anniversary. The book looks very good and they also have an ebook version out. Here's a few of the illustrations I did for them on predicting the future of online marketing.