This article opposing tech solutions for contact tracing accidentally makes a strong case for it. In San Francisco, where contact tracing is done manually, each initial call takes an hour, with a planned workforce of 150 people. That's 5700 calls a week. https://www.npr.org/sections/health-shots/2020/04/16/835396565/san-francisco-ramps-up-back-to-basics-contact-tracing-to-stop-covid-19 …pic.twitter.com/KQD8gRtZ8O