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Nielsen to buy ratings competitor Arbitron

Published on .

New York—Media measurement company Nielsen plans to acquire radio ratings service Arbitron Inc. for $1.26 billion. The deal, subject to regulatory review, will unite Nielsen's TV, online video and social measurement capabilities with Arbitron's radio, streaming audio and out-of-home ratings services. Both companies have been expanding how they measure exposure to various media. Last month, Nielsen acquired SocialGuide, a start-up that tracks Twitter conversations about TV shows.¬†And Arbitron's new Portable People Meter captures inaudible program codes within audio broadcasts or streams, to identify station exposure.
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