Fighting Covid-19 with data

Is South Korea’s success so far in fighting the coronavirus down to data and tracing technology? Or is tech only part of the picture, and should other countries seek to replicated their approach? Plus, the artificial intelligence tool that aims to make synthesized voices sound emotional. And do people still believe in the promise of technology to make life better? Presented by Rory Cellan-Jones, with BBC tech reporter Zoe Kleinman. Produced by Jat Gill. (Image: A man and woman wearing face masks talk outside a bookstore in Seoul, South Korea, Credit: Getty Images).