Agree with 2,3, and 4. Facebook will have gone the way of myspace by then.
and replaced with?
name me one other service that has 1billion regular users. i actually find that although i hate facebook ethics.. something like facebook which is designed for ease of use, couple be what makes bitcoin "granny proof" to send funds to any of their friends/relatives
Not possible as most governments consider such services to be Money Service Businesses which are highly regulated, controlled and require very expensive licencing.
Well, it is possible but not possible to keep "Granny" (The government) out of it without getting a little blackhat.