I've got to get myself one of these. One of those ideas that makes me think, "Why didn't I think of this?!!"
Some comments ask if it could cause cancer with others' obvious response that the phone you put on your head would be more of a concern than this phone-charging purse.
I'm tempted to go to Kickstarter and fund the project. (And on another note, I've been hearing how people are using Kickstarter to actually "purchase" the product, but that was on a different TechCrunch article.)