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A comment on Reddit's Ad Changes Reduce Your ROI. Parent comment

Re:Reddit's Ad Changes Reduce Your ROI by lugg on Wednesday September 13, 2017 @06:24AM (#15236982)
Not to mention:

> While we haven't done any sort of official analysis of CPM changes here, the expected

Sounds incredibly suspect. How could you make such a big change and not test it?

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Re:Reddit's Ad Changes Reduce Your ROI by wickawic on Wednesday September 13, 2017 @07:12AM (#15237165)
The ad world basically invented modern A/B testing after all!
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Re:Reddit's Ad Changes Reduce Your ROI by tehlike on Wednesday September 13, 2017 @10:05AM (#15238337)
Very interesting indeed.
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