There is obviously demand to write 'tweets' and always will be. So long as FriendFeeder and similar sites can role that functionality into it, then Twitter does

There is obviously demand to write 'tweets' and always will be. So long as FriendFeeder and similar sites can role that functionality into it, then Twitter doesn't have much of a competitive advantage, that's all I am saying. That's my point. Twitter has a developer community writing to its API, but those innovations come from outsiders.