Because if users own their identity and there is a new social network built upon the basis of owning your own identity and take it with you were ever you go, wh

Because if users own their identity and there is a new social network built upon the basis of owning your own identity and take it with you were ever you go, which is something most people want, then FB would be screwed. They would have to come up with a new revenue model to compete. Ad blockers are becoming more and more popular. A social app built on Blockstack would prevent users from being tracked.