When it comes to recommendations, companies have an unresolvable conflict of interest: *maybe* they're interfering with your communications to make your life better, or *maybe* they're doing it to make money for their shareholders. Sorting one from the other is nigh impossible, because it turns on the company's intent, and it's impossible to read product managers' minds.
22/
This is intrinsic to #PlatformCapitalism. When platforms are new, their imperative is to increase their user-base. To do that, they shift surpluses to their users - think of how Amazon started off by subsidizing products and deliveries.
That lured in businesses, and shifted some of that surplus to sellers - giving fat compensation to Kindle authors and incredible reach to hard goods sellers in Marketplace. More sellers brought in more customers, who brought in more sellers.
23/