
In this picture taken on May 29, 2016, a Chinese woman uses a smartphone to take a selfie with her friend on the terrace of a restaurant in Beijing. China had 1.3 billion mobile users by the end of 2015, and nearly 30 percent of them - a swathe of humanity larger than the whole population of the United States -- were connected to the 4G network, according to its ministry of industry and information technology. / AFP PHOTO / NICOLAS ASFOURINICOLAS ASFOURI/AFP/Getty Images


