Twitter has acquired two TV analytics companies as part of its effort to become a stronger social complement to television viewing. French company Mesagraph and U.K.-based SecondSync will become part of Twitter’s London office. Twitter also announced it will be expanding its partnership with Kantar Media, and is hoping to extend its Twitter TV ratings system into Europe. To compete in the social TV space, Facebook has teamed with TV networks to initiate live updates during broadcasts, a practice popular with Twitter. Continue reading Social TV: Twitter Purchases Two Analytics Firms in Europe