2 Key Lessons From Facebook’s Video Views Metrics Fiasco

People have short term memory (or selective memory), when they can’t remember things they will resort to how they think something should be. Recently Facebook was in the hot seat because of this very reason. Facebook metrics definition issue Facebook has a metrics called “Video View” for video ads. In this metric they only counted the video as viewed if it was watched more than 3 seconds by the viewer. In other words, if someone watches a video for 2 seconds then that video view won’t be counted as a view in this metric. Facebook also has another metrics, called “Average duration of Video views”, the “standard” definition of it should be Total Time spent watching video divided by Total Viewers. However, that’s not how Facebook defined it. In Sept Wall Street Journal reported that Facebook "vastly overestimated average viewing time for video ads on its platform for two years.” This lead to an apology from Facebook About a month ago, we found an error in th...