Click S2022E37 - Social, Skype and (ultra) Sound

Yasmin Morgan-Griffiths looks at a new form of ultrasound that could change the way tumours are treated. Shiona McCallum hits the dance floor to test new tech powering a nightclub through body heat, while Lara Lewington and Spencer Kelly chat to Niklas Zennstrom, co-founder of Skype.