Remember the distributed web based storage system I was working on? i.e. chop a picture up into 100 pieces and save each piece in someone's cookie. Once all the pieces are out, start watching for pieces to come back and reassemble the picture.

I've been watching my "test" for (months?) a while now and it's not doing well. I get about half of my "payload" back. But there is where my new idea comes in...

Run that test actively, watching unique users to see how likely they are to come back. When I get 100 users who are dependable enough to 'save' a portion of the data to, start the delivery then...