Apple and Google have updated their COVID-19 contact tracing app.
It's called "Exposure notification express." Using Bluetooth, the app records when two or more smartphones come within a certain distance of each other.
Apple and Google have updated their COVID-19 contact tracing app.
It's called "Exposure notification express." Using Bluetooth, the app records when two or more smartphones come within a certain distance of each other.
LONDON — England and Wales launched an app for tracking and tracing the coronavirus on Thursday, September 24, BBC News..