Apple and Google are building a cross-device tracking platform to support some kind of unspecified digital contact tracing scheme. https://www.apple.com/newsroom/2020/04/apple-and-google-partner-on-covid-19-contact-tracing-technology/ You can read what I told the Senate about my concerns here. https://www.commerce.senate.gov/services/files/D069F0C0-2B67-4999-AC75-5BC41D14D00C

And you can find the privacy and accountability framework that @SenatorCantwell believes such efforts, should they happen, need to operate under here. https://www.commerce.senate.gov/services/files/DD784865-C594-4137-8F5F-219F05C97BF9