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http://videoadnews.com/2016/06/03/the-wir-viacom-ad-chief-heads-to-snapchat-appnexus-gives-video-viewability-away-for-free-wfa-calls-for-global-regulation-on-online-ads/
The WiR: Viacom Ad Chief Heads to Snapchat, AppNexus Gives Video Viewability Away for Free, WFA Calls for Global Regulation on Online Ads