Going from small -> large zone WORKS, and is what Facebook did. (Harvard -> more colleges -> general availability). The thing that makes it work is a sense of e

Going from small -> large zone WORKS, and is what Facebook did. (Harvard -> more colleges -> general availability). The thing that makes it work is a sense of exclusivity. Small (can) == cool. And you can capitalize on that a bit. It's not easy, but it's doable.