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A comment on Ask HN: Did offering a money-back guarantee help your business?. Parent comment

Re:Ask HN: Did offering a money-back guarantee help your bus... by tome on Tuesday February 05, 2019 @12:51PM (#19087626)
Are you thinking of this?

https://en.wikipedia.org/wiki/Knuth_reward_check

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Re:Ask HN: Did offering a money-back guarantee help your bus... by nickjj on Tuesday February 05, 2019 @03:20PM (#19089381)
Yep, thanks.

Kind of scary how inaccurate my memory was on the exact strategy, but that's definitely the one I was thinking of.

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