Facebook overhauls ad metrics, admits 4 bugs and errors led to misreported numbers – TechCrunch

Facebook has been posting big gains on the back of advertising this year, but it looks like not all is well in the world ad metrics on the social network. Today the social network admitted that it has discovered some bugs and errors in its system that …
Facebook is making 3 big measurement changes after admitting it accidentally exaggerated more of its metricsBusiness Insider
Facebook Says It Found More Miscalculated MetricsWall Street Journal
In major measurement update, Facebook overhauls metrics, makes corrections, adds viewabilityMarketing Land
Recode -Fortune -Bloomberg -Mashable
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