Topic: Device Fingerprinting

An analysis of Facebook's massive written response to Congress reveals the extent of their data collection, including mouse movements, battery levels, signal strength, and nearby Wi-Fi beacons. The hosts highlight how Facebook tracks "cross-device" behavior and analyzes the content of photos to serve targeted ads, despite claims of respecting user privacy.

Surrey police are testing a mobile device called "Lantern" that allows officers to scan fingerprints on the street and check them against a national database. The system uses encrypted wireless transmissions to match prints against 7.5 million records on file. This technology is viewed as a significant step toward pervasive biometric surveillance of the general public.