The document discusses statistics about the online pornography market. It notes that 69% of pay-per-view internet content is pornography, despite pornography generally being free. It then suggests four lessons that can be learned from the success of pornography websites like PornHub about creating engaging content: 1) Make marketing content more exciting than the product itself 2) Create content about the audience, not about the company 3) Help satisfy people's curiosity about others 4) Create viral content that spreads on its own.