https://www.theguardian.com/technology/2020/may/15/millions-risk-locked-out-covid-19-contact-tracing-app

Many people in Britain lack internet access and sufficient tech skills, charities warn MPs

Ten million people in the UK risk being locked out of the Covid-19 contact-tracing app because of a “digital divide”, putting potential constraints on their ability to access work and safeguard their health, a parliamentary committee has heard.