How much data are we all prepared to share in the battle to beat the coronavirus? Rory Cellan-Jones speaks to Milo Ho-Hsuan Hsieh, a Taiwanese journalist who saw his phone tracked by the government after he was asked to self-isolate following a trip abroad. Jeni Tennison of the Open Data Institute says there are ways of sharing personal data more transparently and fairly, even in the midst of a pandemic. Lexi Sydow from App Annie, which monitors what apps get downloaded and where, tells us what millions of us stuck at home are doing on our phones. And one of the world’s leading AI experts Professor Stuart Russell tells us why artificial intelligence my not be about to ride to the rescue. The BBC's Jane Wakefield runs down the latest technology news.