Credibility and visible user activity are the 2 things I think are needed the most as of now. You need to give users more voice other than tipping in order to escalate conflict (which is the driving force of the website, right?)
Just because you can build something in 24 hours, should you?<p>(Don't mean to pick, a legitimate question.)<p>I wanted to use "speed" as the key differentiator in my startup. (We can build it in n days!) The feedback I got was universally negative. The general concensus was, "Then how good could it be?"<p>As hackers, we see the possibilites with all this new technology. But is the rest of the world ready for it?