Don’t forget the Facebook started as an exclusive club, you had to have a .edu email address to sign up. In the beginning you even had to be in specific colleges for sign up.
Yes, the Harvard dorms were a big reason it gained traction.
Yes, the Harvard dorms were a big reason it gained traction.
Artificially segmenting the market by a waitlist chronologically doesn’t have the same affects. That’s why a lot of social platforms give “invite codes” to existing members - invite your friends to bootstrap connections so your members aren’t on a desert island.