Coronavirus: Mobile data helps Norway track cases
https://www.bbc.co.uk/news/technology-52236559
Norway’s largest mobile operator, Telenor, is collaborating with the Norwegian Institute of Public Health to help them track the spread of the coronavirus.
About 80% of all the country’s data traffic passes through the company’s infrastructure so Telenor knows roughly where each phone is, as the phone hops between different base stations throughout the day.
