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Google Adwords News - From Google's Official Company Blog
Whoa Nielsen! Twitter Tie-In, $1.3B Arbitron Deal Shake Up Ratings Game
Nielsen has for years sought ways to measure the interplay of social media activity and TV viewing. Its new “multi-year” deal with Twitter is a tacit acknowledgement that Nielsen can’t close the media measurement loop on its own. There’s a similar observation to made about this morning’s announcement that Nielsen is buying...