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http://videoadnews.com/2017/04/06/rocket-fuel-and-ias-find-that-in-certain-cases-up-to-70-percent-of-in-stream-video-ad-inventory-is-misrepresented-as-in-banner/
Rocket Fuel and IAS Study Finds Up to 70 Percent of In-Stream Video is Misrepresented In-Banner