Bower and Aucart

Meet Suwar and Berfin Mert, the brother-and-sister team behind a Swedish app that rewards its users whenever they recycle everyday waste items. They tell us about fund-raising for global expansion and why the UK is next. Plus: five years since her last visit, we speak to Natasha Arselan, founder and CEO of contemporary-art discovery and collecting platform Aucart.See omnystudio.com/listener for privacy information.