Don’t blame the track-and-trace app for the UK’s ‘pingdemic’

Earlier this month, almost 700,000 people in England and Wales received notifications in just one week from the COVID-19 track-and-trace app that they should self-isolate. And soon thereafter, the ongoing coronavirus pandemic was being called a "pingdemic."The app uses Bluetooth technology to alert people if they’ve spent 15 minutes or more within two metres of someone who's tested positive for COVID-19. The steep rise in the number of notifications arose as the UK government moved t