In China, mobile phone location tracking is being used to fight the COVID-19 pandemic.
This is allowing health authorities to track people's movements, interactions and health status in order to facilitate contact tracing and isolation.
Could this approach help combat the spread of the virus in other countries, despite concerns about privacy?
Andy O'Donoghue joined us to discuss this and other coronavirus tech issues, including how 3D printing is helping meet the need for key medical equipment.
Listen to the interview in full by pressing the play button on this page.