Thats fine - but build the sharing features into the operating systems of the computer, not into some remote uncontrollable (by the user) data center, which is

Thats fine - but build the sharing features into the operating systems of the computer, not into some remote uncontrollable (by the user) data center, which is being used to process the data for purposes other than those the user specify .. any modern desktop computer is capable of representing itself in a fashion that the sharing occurs, sans cloud.