The first app using Apple and Google's COVID-19 contact tracing tech in the US is about to launch (AAPL, GOOG, GOOGL)

· Apple and Google's contact tracing technology will make its US debut this week with the launch of Virginia's state-wide coronavirus contact tracing app.
· The technology uses Bluetooth on iPhones and Androids to detect other devices nearby and warn people if they've come in contact with someone who previously tested positive...