I don't know about the video and sound quality of this little bluetooth camera, but it seems like it would be fun to use when you are riding a bike, hiking, or engaged in some other activity you would like to record. It's on sale for $70 including shipping. Here's a video from the manufacturer.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.