Home » BBC News - Technology » technology news » Coronavirus: NHS contact tracing app to target 80% of smartphone users Coronavirus: NHS contact tracing app to target 80% of smartphone users Unknown 4:33 AM BBC News - Technology technology news A vast majority of smartphone owners must install the app, if it is to end the coronavirus epidemic. from BBC News - Technology https://ift.tt/3abkmi0 Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati