Welcome to IFA 2019: Foldable phones and 8K TVs

IFA is Europe's biggest and oldest tech trade show, where companies from around the globe are displaying their latest products. Dhananjay Khadilkar is on the ground in Berlin bringing you everything that matters from the event. We also tell you more about how Chinese consumers are now paying for goods with their faces. Finally, we discuss the rise of augmented identity and how the company Idemia is helping people in developing countries recover a legal identity.