[Ileca]

Only your second point is valid to me and not worth the use of the system by itself. This is not worth the encapsulation around your acquaintances you are supposed to cultivate the relation face to face, not through a "wall" and mediocre public interactions.

There is a lot of means to communicate and coordinate things efficiently (it was already possible before facebook) and the "fine control" over your "present yourself" is either an illusion or proof of your superficiality. I think it is the point around what facebook was built: the superficiality of people and their need to show off everywhere and think of themselves as some public figure. I guess that's also why instagram and selfies are so popular. It's all about network connection, not about the meaningful content the network is supposed to carry.