it's still not clear that Baidu/Facebook will be able to execute a workable social network Pooling the effort of losers in a market is like having the second a

it's still not clear that Baidu/Facebook will be able to execute a workable social network Pooling the effort of losers in a market is like having the second and third place finishers in the hundred meter dash tie their legs together to run three-legged and then challenging the winner to a rematch. (I think I first read that comparison on Daring Fireball).