Krulwich Wonders... Trapped By The Web — But For How Long? Take the Kelberman Challenge April 1, 2013 You probably know the feeling: You turn on your computer, decide to mosey around, but only for a minute or two, you have important things to do, and then — whooooosh! The computer sucks you in and you can't stop clicking. Why does this happen? Artist Dina Kelberman knows why. Let her trap you.