Conspiracy theories rage online over coronavirus

Is social media likely to help or hinder efforts to contain the outbreak? We hear about the lessons from past epidemics. Plus, is the tech business reaching "peak capitalism" and is there a future for it based on values other than making money? And why people keep choosing bad passwords. Presented by Rory Cellan-Jones, with BBC tech reporter Jane Wakefield. (Image: A visitor tries to sanitise hands before being allowed into a state hospital at Yaba in Lagos, Nigeria, February 2020. Credit: PIUS UTOMI EKPEI/ AFP via Getty Images).