A lot of what we do online is exchange things of value with each other. And since we needed thrid parties to store and verify everything, the internet filled up with huge third parties. The key point here is that value exchange is not just money. It is anything of value. You are not Facebook's customer. You are Facebook's product. We've been effectively paying, all these large behemoths, with our data.
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko