Facebook Overestimated Key Video Metric for Two Years – WSJ (Sep 22, 2016)

This was the first of a number of stories in late 2016 relating to Facebook’s metrics for advertisers and publishers. At the time, it looked like an isolated incident, but it was bad enough to attract attention even so – Facebook vastly overestimated average viewing time for videos for two full years, and only disclosed this fact through an article on its Advertiser Help Center. Once the story broke, Facebook publicly apologized.

via Facebook Overestimated Key Video Metric for Two Years – WSJ


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