Mobile phone users in China will have to submit to 3D face scans to get a sim card. How does this compare to the rest of the world, and what will this mean for its citizens? Show more
Discover 11,128,835 listings and 279,766 playable programmes from the BBC
Mobile phone users in China will have to submit to 3D face scans to get a sim card. How does this compare to the rest of the world, and what will this mean for its citizens? Show more