Facebook knew it was misreporting video ad data a year before telling clients, lawsuit saysFacebook overestimated video ad viewing time averages 150 to 900 percent — not 60 to 80 percent as it reported, the lawsuit claims. The company also knew about the issues for more than a year before reporting it to advertising clients.[Collection]

Facebook overestimated video ad viewing time averages 150 to 900 percent — not 60 to 80 percent as it reported, the lawsuit claims. The company also knew about the issues for more than a year before reporting it to advertising clients.https://www.cnbc.com/2018/10/17/facebook-lawsuit-alleges-it-knew-ad-measurement-discrepancies-for-a-year.html