"When Facebook is sort of grinding down your privacy, you don't see it. And although you will feel it, you won't feel it for years.... these companies have quietly created perfect records of everything you've done, everywhere you've gone, everything you've clicked, everything you've liked, how long you've stayed on a page, you know, when you had to scroll up to reread a section. All of that is captured, and they use this to model ways to influence your behavior to actually shape and manipulate the decisions you make as a human being."