I know what you mean by this but with dropbox you maintain a copy of your files on every computer so I'm not sure I agree that you're handing over control. Tha

I know what you mean by this but with dropbox you maintain a copy of your files on every computer so I'm not sure I agree that you're handing over control. That said, I think they could sell a copy of their software (server and client) to companies and make a killing.