It will always be about providing access to a communication network through the lowest common denominator. A farmer in rural India isn’t going to have the Web any time soon, but he can send out a text asking his network how much are they getting for their grain, and get an answer back from a few people, and maybe not get as screwed by a wholesaler.

Biz Stone. Twitter cofounder. He was asked in the Boston Globe where Twitter will be in five years.