Who is "Book"?
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Facebook
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This sounds powerful but I don't understand what it means - any chance you can elaborate?
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https://www.joelonsoftware.com/2002/06/12/strategy-letter-v/ … is the canonical explanation.
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Aka commoditize your complement. Increase moat by making everything complementary unprofitable, so no new competitors can arise there.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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