License plate readers, which photograph the back of your car, are everywhere. And unlike NSA data, which is highly restricted, it's easy to find out who was at which intersection and when. We'll talk about the consequences this hour. We'll also examine the lessons we've learned after a record year of hacking incidents. Plus, the latest in gadgetry.
Nicole Perlroth, cyber security reporter for New York Times
Chris Francescani, freelance reporter covering law enforcement and surveillance issues