"holy crap, that's cool" [Daypop Top 40]

I wonder though.  People often sign their name.  My conspiracy-prone mind is saying, "Gee, they could collect signatures and idea scraps using this app."  Imagine yourself sketching your latest brainchild on their app, only to have it stolen by their technicians.  Stupid, I know, but at least you read this far.  ;-)