I'll repeat myself: "How to detect a #bubble? There's more Hubs than spokes" http://twitter.com/#!/FrancescoRizzi/status/71297794480148480 http://twitter.com/#!

I'll repeat myself: "How to detect a #bubble? There's more Hubs than spokes" http://twitter.com/#!/FrancescoRizzi/status/71297794480148480 http://twitter.com/#!/FrancescoRizzi/status/7129779448014848...