Derek Sivers describes a marketing genius’ approach to writing:
Marketing guru Jay Abraham, in the pre-internet days, would run classified ads in newspapers and magazines. If he wanted to write a book about something, he’d run a classified ad, taking orders for the book, but he wouldn’t even write the book until he got a good response from the classified ad. If the world just didn’t seem to be responding to his book idea, he just refunded their deposit. But if an idea got a huge response, he’d say, “I better write that – fast!”
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