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Re:Amazon Sets Its Sights on the $88B Online Ad Market by sib on Monday September 03, 2018 @11:58PM (#17906541)
I guess for (4) you mean, "repeat if [attributable] _profit_ increase [vs control] > $1,000"?

Not much point in driving $1,000 in _revenue_ with $1,000 in marketing spend unless your margins are 100%.

Re:Amazon Sets Its Sights on the $88B Online Ad Market by tomrod on Tuesday September 04, 2018 @08:40AM (#17908600)
Thanks sib. That's exactly the point I was trying to drive home.
Re:Amazon Sets Its Sights on the $88B Online Ad Market by cm2012 on Tuesday September 04, 2018 @12:46AM (#17906724)
yes