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Facebook 'Overestimated' Video Viewing Time
Facebook has inflated how much video people have watched for the last two years, warplanes have carried out fresh air strikes on Aleppo, Chinese bones rewrite Roman history
(Photo: Facebook was ignoring video views which were shorter than three seconds. Credit: Reuters)
Last on
Fri 23 Sep 201618:06GMT
BBC World Service except News Internet
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- Fri 23 Sep 201618:06GMTBBC World Service except News Internet