Immediately upon clicking the ‘Play’ button, Do Not Track let’s me it knows where I live and that it’s a nice day outside. Hunched over my laptop in my office chair, my body straightens, an unbidden eye glancing out the window. Creator of this seven-part web documentary on data mining, Brett Gaylor, narrates the invasion of your privacy throughout—very effectively making you grateful for the fact that, at the very least, advertising companies don’t do voice-overs while mercilessly tracking your every online movement.