Earlier today, Nielsen and NM Incite announced they acquired the social TV data company SocialGuide for an undisclosed sum. While it’s big industry news, it’s not entirely unexpected: Nielsen has been ramping up its investment in social data while startups like Bluefin Labs, Trendrr, Networked Insights and SocialGuide have been hard at work creating and trying to standardize a new social dimension of TV ratings.

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