Fears over Afghan biometric data

Human rights activists say that the Taliban could use databases compiled by the previous government and coalition forces to target citizens. Plus, why is there a flurry of investment in undersea internet cables. And the amazing stories behind some emoji characters. Presented by Zoe Kleinman, with BBC tech reporter Chris Vallance. Produced by Jat Gill. (Image: Representation of a fingerprint scan, Credit: Getty Images).