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Privacy

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Isometric glass smartphone floating above a translucent city map with a red location pin, surrounded by ribbons of binary digits labeled Accelerometer, Magnetometer, and Public Maps — captioned 'Tracking Without GPS · Sensor Fusion · Privacy.'
Featured on Schneier on Security
Security Privacy

Tracking People Without GPS

Bruce Schneier highlights our research showing that accelerometer, magnetometer, and barometer data — combined with public maps and weather — can pinpoint a smartphone user's location without GPS.

• 2 min
Written by: Bruce Schneier
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