Many countries are hoping to use contact tracing apps to leave lockdown and suppress further coronavirus outbreaks, but the use of such technology has many issues
Source:
https://www.newscientist.com/article/2241041-there-are-many-reasons-why-covid-19-contact-tracing-apps-may-not-work/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home