`` Am going to bed now , '' posted one migrant who writes under the name `` Blue Piano '' on Sina Weibo . Their use on the streets in China amid falling handset prices and cheaper insurance plans . China aiming to overtake the United States as the largest market for smartphones . China : Such technology helping to ` ` ' the social network '' of migrants . Workers also interact with broader segments of Chinese society via micro - blogs .
Their use on the streets in China amid falling handset prices and cheaper insurance plans . China aiming to overtake the United States as the largest market for smartphones . China : Such technology helping to ` ` ' the social network '' of migrants . Workers also interact with broader segments of Chinese society via micro - blogs .