Nielsen is taking a step towards extending its TV-ratings business to measure online viewing, aiming to gauge how much viewership has drifted away from traditional TV to online outlets.
WSJ.com: What's News US, Wall Street Journal
Thu, 02/21/2013 - 4:18pm
Nielsen is taking a step towards extending its TV-ratings business to measure online viewing, aiming to gauge how much viewership has drifted away from traditional TV to online outlets.