>Isn't that just what Facebook did? Got one notable school to adopt it, and then used that as social proof of its value to expand? No, it's not. You could soc

>Isn't that just what Facebook did? Got one notable school to adopt it, and then used that as social proof of its value to expand? No, it's not. You could social proof Facebook using Harvard students all you like and it still won't appeal to an old guy who lives in Australia. The key thing is that Facebook is only useful when you've got some friends using it. That's why it made sense to start with a big cluster of friends the founders were part of.