its all about the network. and a distant second is making it scalable and robust. moderation and UI design is important once you have scale so that normal peopl

its all about the network. and a distant second is making it scalable and robust. moderation and UI design is important once you have scale so that normal people feel comfortable using it. IMO twitter is failing pretty badly on the last two and if a well funded competitor came along, it wouldn't surprise me if twitter goes the way of myspace