Twitter is a communication platform. Quora is awesome for many things right now, but in no way does carry the impact of Twitter. If Quora maintains its qualit

Twitter is a communication platform. Quora is awesome for many things right now, but in no way does carry the impact of Twitter. If Quora maintains its quality, I guess it could become a "Davos-lite" of the interwebs, but that's still not the game-changer Twitter is.