We explore how the modern urban environment has transformed into a "Sentient City," turning everyday infrastructure into a surveillance dragnet. We detail how streetlights listen to your phone, how retail stores digitize your hesitation, and how ultrasonic beacons link your physical location to your digital profile.
Chapters:
- The Biometric Border: How grocery stores like Wegmans are replacing simple transactions with facial mapping and biometric data collection.
- The Infrastructure of Observation: Streetlights are now "Smart Nodes" equipped with optical sensors, microphones, and Bluetooth sniffers that log your movement without a warrant.
- The Shadow Network: Amazon Sidewalkâs use of the 900 MHz LoRa spectrum to create an inescapable mesh network using your neighbors' devices.
- The Invisible Handshake:
- Ultrasonic Cross-Device Tracking (uXDT)
- Digital Billboards & RADAR
- Smart Kiosks & Gaze Tracking
- The Retail Panopticon: From Live Facial Recognition (LFR) to "Smart Carts" that analyze purchase hesitation.
- Surveillance Pricing: How Electronic Shelf Labels (ESL) enable dynamic pricing based on crowd density and personal data.
- Countermeasures:
- Zenni ID Guard (IR Blocking)
- Reflectacles (Retro-reflective frames)
- Faraday Bags & Radio Silence
- Cash & Masks
Resources:
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