WhatsApp and YouTube act on Covid conspiracies

The social media giants take steps to remove falsehoods linking Covid-19 to 5G tech. Plus, how will China’s tech sector fare now that its cities are emerging from lockdown. And, are drones useful in maintaining “social distancing”? Presented by Rory Cellan-Jones, with BBC tech reporters Cristina Criddle and David Molloy. Produced by Jat Gill.