This is a great idea. Probably doesn't require any groundbreaking technology either. Dear internet, please make this.
EDIT: An iphone app that let's people call and text each other as their profile name (anonymously) would probably lower the barrier to sign up for something like this.
Maybe even a combination of this with the idea of pledging money if you don't achieve something? How much more motivated would you be to roll out of bed at 6am if you knew that skipping it would cost your buddy cash?
EDIT: An iphone app that let's people call and text each other as their profile name (anonymously) would probably lower the barrier to sign up for something like this.