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Ultrasonic Tracking Basics
- Ultrasonic tracking transmits data through sound, often inaudible to most adults.
- Apps with microphone access can use this to gather data about user habits and location.
Shopkick in Retail
- Shopkick's ultrasonic beacons are used in retail stores for rewards programs.
- Macy's uses Shopkick's technology, but their specific application is unclear.
Big Data and Inferences
- Big data is the main goal behind these tracking methods, not just rewards programs.
- Data collected can infer personal details like sexuality, politics, and potentially mental health.