Gap-Finders: Tessa Clarke of Olio; the share, swap or give app.

Available for over a year

Today's Gap Finder is Tessa Clarke of Olio, the app that helps us to cut food and domestic waste by making it easy to give, share or swap. She is a farmer's daughter and corporate high flyer from North Yorkshire, who got the notion when she was moving house in 2014. PRESENTER: FELICITY HANNAH PRODUCER: KEVIN MOUSLEY