Linus Torvalds

Under the Constitution, federal law trumps both state and city law. But antitrust law allows states some exceptional leeway to adopt anticompetitive business regulations, out of respect for states' rights to regulate business. This federal respect for states' rights does not extend to cities.

Every time you log in to Facebook, every time you click on your News Feed, every time you Like a photo, every time you send anything via Messenger, you add another data point to the galaxy they already have regarding you and your behavior.