Cellphone data can be useful to trace #coronavirus contacts, but their use poses privacy problems. @doecsgf Tina White @Stanford leads an international team that’s building @COVIDWatchApp, which puts this data to use while keeping it confidential. https://t.co/d5pnVBTfkf #COVID19 pic.twitter.com/bxpAP6sIze
— DOE CSGF (@doecsgf) April 11, 2020
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