At school we had business case on the facebook platform yesterday. It said googles main worry was facebook data being used to make a search engine. And it makes

At school we had business case on the facebook platform yesterday. It said googles main worry was facebook data being used to make a search engine. And it makes sense - data about me and my network is a huge heuristic in ranking pages. Also, the lecturer said sites increasingly saw more referrals coming from facebook and twitter than google. That was news to me.