Nielsen Co., the dominant TV ratings service, plans to roll out technology designed to ensure Web video is distributed only with owners’ permission, the Wall Street Journal reports
(Subscription required.). Existing companies providing those services include Audible Magic, Vobile and BayTSP. Google uses its own technology to police its YouTube video site. Nielsen’s product, Digital Media Manager, was developed in conjunction with Digimarc and will be available in spring. Nielsen’s entry into the market signals both the inevitability of more entertainment business shifting to the Web and the recognition that for digital media to prosper, content owners need assurances their work won’t get ripped off.