An inside look at who's watching you, what they know and why it matters. We are being watched.
We see online ads from websites we've visited, long after we've moved on to other interests. Our smartphones and cars transmit our location, enabling us to know what's in the neighborhood but also enabling others to track us. And the federal government, we recently learned, has been conducting a massive data-gathering surveillance operation across the Internet and on our phone lines.
In "Dragnet Nation," award-winning investigative journalist Julia Angwin reports from the front lines...