Facebook and Twitter are in competition. And I think you underestimate the complexity of a project like Facebook. It started small, but back then people's expec

Facebook and Twitter are in competition. And I think you underestimate the complexity of a project like Facebook. It started small, but back then people's expectations were much lower. If Facebook started charging for its services or otherwise pissing off its users in big and obvious ways, I guarantee there'd be a serious competitor on the streets within months.