Home » BBC News - Technology » technology news » Coronavirus: Does anyone have a working contact-tracing app? Coronavirus: Does anyone have a working contact-tracing app? Unknown 4:37 AM BBC News - Technology technology news Is Boris Johnson right to say that no country has a working contact-tracing app? from BBC News - Technology https://ift.tt/2BFvfNe Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati