So do I. Except on certain sites, cos I'm nice like that. But you did mention getting an API from Flickr that gives us the photos and adverts. But that's just an example, and hypothetical, so I'm not sure how much further this can go.
If it doesn't use existing services, then we're back to people storing their stuff in "our" cloud, which would be other people's PC and servers. At which point most of the world will object because they don't understand/don't care what encryption does, and they don't understand that it's almost the same as using iCloud but the data isn't stored by Apple. |