Correlation of even anonymized hardware emissions and location history for commercial use such as advertising would eventually identify police or company specif

Correlation of even anonymized hardware emissions and location history for commercial use such as advertising would eventually identify police or company specific hardware. A product for this purpose already exists in Signaltrace, and probably exists as an in house solution for large campus operators like Walmart, universities, or a place like HP. Signaltrace: https://www.leonardocompany-us.com/lpr/elsag-signaltrace https://www.leonardocompany-us.com/lpr/elsag-signaltrace