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A comment on Uber discovered they’d been defrauded out of 2/3 of their ad spend. Parent comment

Re:Uber discovered they’d been defrauded out of 2/3 of their... by jedberg on Sunday January 03, 2021 @06:43PM (#25626406)
That's comparing one type of ad or channel to another.

But none of them test "no ads" vs "ads".

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Re:Uber discovered they’d been defrauded out of 2/3 of their... by mgraczyk on Sunday January 03, 2021 @06:58PM (#25626495)
Some of the A/B tests I have analyzed are exactly "no ads" vs "ads"
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