This Cult of Mac video makes it look pretty easy to jailbreak your iPhone or iPad. What is a good reason to do it? If you have jailbroken your iOS device to do something cool that you couldn't have accomplished with a non-jailbroken device, please tell us about it in the comments.
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