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Re:Facebook Overestimated Key Video Metric for Two Years by jaxn on Friday September 23, 2016 @02:07AM (#12562636)
See my reply to the comment above. With local retail, you can't just measure the conversion rate.

It is not about the specific number of seconds. It is about the implied engagement and focus of the audience. It is about a reported difference in the behavior of Facebook users vs other online properties.

Re:Facebook Overestimated Key Video Metric for Two Years by geon on Friday September 23, 2016 @06:31AM (#12563533)
You never can. But are you just going to blindly spend money on ads and just believe they work?
Re:Facebook Overestimated Key Video Metric for Two Years by jaxn on Sunday September 25, 2016 @10:33PM (#12578853)
Yeah, that is basically the entire advertising industry. Precisely what "brand exposure" is.