You walk into Walmart and you think you're shopping. What's actually happening is a 500-camera biometric harvesting operation that can identify you by your face, your walk, and your emotional state — even when you pay cash and leave your phone at home. In Episode 4 Kiler Davenport connects the complete surveillance architecture from the parking lot license plate readers to the VIZIO television in your living room and explains why the word "retail" no longer means what you think it means.