When you watch these ads, the ads check you outJanuary 30, 2009 By DINESH RAMDE , AP Business Writer in Technology / Hi Tech & Innovation
(AP) -- Watch an advertisement on a video screen in a mall, health club or grocery store and there's a slim - but growing - chance the ad is watching you too.
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"When you watch these ads, the ads check you out" January 30, 2009 http://phys.org/news/2009-01-ads.html