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I have little sympathy for the ad business failing to properly track ad fraud. I don't think the world is fundamentally better off for advertising.

On the bot traffic, do we not have better ways to do this that don't involve violating privacy of free human beings?

Proof-of-work captchas provide minor friction to an end-user but massively restrict the types of high-volume + low-compute attacks that would be doing this. That's just one example, I'm sure there are other ways too.





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