If we go back to 1999, we can find an even better example. In his book The PayPal Wars, Eric Jackson, an early marketer at PayPal, reveals how PayPal became synonymous with eBay. Realizing that its most compelling pitch came when a potential buyer asked an auction seller if they could pay for the item with PayPal, the company’s engineers created a buyer bot that emailed sellers to ask if it could use PayPal and then purchased the item if the seller was willing. The goods would later go to charity—but buying the unwanted items was a cheaper, more lasting way to hook users than advertising was.
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