Pointing to an Arizona case that demonstrated how law enforcement uses location data collected from cellphones as evidence, The New York Times reports on how surveillance technology is being incorporated by law enforcement and the privacy concerns that arise from doing so. Examining Google’s Sensorvault database, the article notes that it is just the latest example of how a person’s personal data is being used in new and unsuspecting ways. According to Google employees, the data includes detailed location records for at least a million devices worldwide, dating back nearly a decade, that is accessible to law enforcement with a warrant. (Registration may be required to access this story.) 
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