It's all derivative of forum software. Thread, post, reply, notify, user, profile, follow. If Reddit has an interest graph built on a social graph with a Twitt

It's all derivative of forum software. Thread, post, reply, notify, user, profile, follow. If Reddit has an interest graph built on a social graph with a Twitter graph and a map to find all these graphs then they too can be the media darlings of Silicon Valley. But, wait, they slayed Digg, is that not good enough of a narrative in 2010? Quora has now momentum, I think that's going to get them over the hump more so than anything else. When Steve Case is on your site commentin', that's at least worth $1MM in valuation right there.