I enjoyed this whimsical cartoon for a mobile catapult physics game called Angry Birds. Should I pay $1.99 to get it from the iPhone apps store?
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects