Photo -   In this Nov. 9, 2012 photo, Communist Party delegate Zheng Yanxiong uses his laptop during a group discussion meeting as part of the 18th Communist Party Congress at the Great Hall of the People in Beijing, China. During China's last party congress, the cadres in charge of the world's most populous nation didn't know a hashtag from a hyperlink. But five years on, there's a new message from Beijing: The political transition will be microblogged. (AP Photo/Alexander F. Yuan)