Have apps helped tackle the pandemic?

Did exposure and contact tracing apps live up to the hopes for them? Plus, how ransomware-as-a-service is becoming a serious cyber threat. And new laws in the US could give people access to the information and parts they need to repair, rather than replace, their devices. Presented by Rory Cellan-Jones, with BBC tech reporters Chris Vallance and Cody Godwin. Produced by Jat Gill.(Image: Hands of people at a picnic with their phones and face masks, Credit: Getty Images).