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I gave away my books for free, and sales increased 4x

4 years ago
Anonymous $pSba0tWIcA

https://www.jeffgeerling.com/blog/2020/i-gave-away-my-books-free-and-sales-increased-4x

I gave away my books for free, and sales increased 4x

May 4, 2020, 10:34pm UTC
$pSba0tWIcA
https://www.jeffgeerling.com/blog/2020/i-gave-away-my-books-free-and-sales-increased-4x