"Facebook represents a dangerous deviation in media history. Once upon a time, elites proudly viewed themselves as gatekeepers. They could be sycophantic to power and snobbish, but they also felt duty-bound to elevate the standards of society and readers. Executives of Silicon Valley regard gatekeeping as the stodgy enemy of innovation — they see themselves as more neutral, scientific and responsive to the market than the elites they replaced — a perspective that obscures their own power and responsibilities"
It unintentionally (I promise you) exploits a bug in the human OS that says that if someone says 5 wrong things and 2 right things, it is very difficult to get across 'Those 2 things are objectively right, but those 5 things are wrong, and so this person is, ultimately, wrong' without folks going 'But those 2 things are right.' And others going 'How can you trust this person who is saying things are wrong, when we know those two things are right.'
Generally speaking, there are only a few ways to make money on the Internet. There are e-commerce companies and marketplaces — think Amazon, eBay and Uber — that profit from transactions occurring on their platforms. Hardware companies, like Apple or Fitbit, profit from gadgets. For everyone else, though, it more or less comes down to advertising.