What Makes a Great Selection of Links?

Dave Winer has a great post about the next step in Digg clones. This is something I’ve been spending a lot of time thinking about too. What makes a great selection of links? Does it take a million people? Or only a handful.

Netflix Dataset Cracked, Subscribers Profiled

Netflix offered a million dollar reward to anyone who could improve upon their recommendation engine by ten percent. Two researchers accomplished a lot more with the "anonymized" dataset.