A new six-part series of Tech Tonic brings you stories from the frontlines of the battle between the US and China for global technological supremacy. At stake is the future of technologies that will shape all our lives, from the way the internet is used to the way we govern our societies. Join the FT’s Global China Editor James Kynge as he charts China’s dramatic transformation into a global tech superpower, sparking rivalry with the US over who controls our technological future. Check out stories and up-to-the-minute news from the Technology team at  ft.com/technology Get 50% off an FT subscription at ft.com/briefingsale Presented by James Kynge. Edwin Lane is senior producer. Josh Gabert-Doyon is assistant producer. Manuela Saragosa is executive producer. Sound design is by Breen Turner, with original music from Metaphor Music.  See acast.com/privacy for privacy and opt-out information.