Coronavirus contact-tracing apps put users at risk, EU lawmaker says

‘These "tracing apps" are less effective in containing infections than human tracing because many people do not use these apps at all. It is completely illusory to assume that 60% or more of the population would use such an app. In Singapore, which has experience with tracing apps, only 20% of the population has downloaded it, in Austria only 5%. That makes the app's usefulness highly questionable. And it also poses very clear threats to privacy and our fundamental rights.’

Read here (DW, May 15, 2020)