Main content
Coronavirus: How contact-tracing apps work
Journalist Timandra Harkness takes a look at the different types of coronavirus contact-tracing app and the variety of ways governments around the world are planning to use them.
(Image: Covid-19 contact tracker app Credit: Getty Images)
Duration:
This clip is from
More clips from Digital Planet
-
![]()
Electricity from human waste—Data in disaster zones
Duration: 02:58
-
![]()
Iran: Controlling protesters via their phones
Duration: 05:53
