CNNIC(China Internet Network Information Center) published "China Internet survey report", and according to it the number of internet users in china archived 513M at the end of 2011.
The growth rate of 2011 is 38.3%, and it's higher than 2010(34.3%).
On the other hand, the number of mobile internet users in China archived 355.58M, but the growth rate of 2011(17.5%) was less than 2010(29.7%).
And the usage of each service is as following:
Weibo users archived 249.88M, and its growth rate was 296.0% compared with 2010.
The utilization of Weibo was 13.8% in 2010, but it grew up to 48.7% in 2011.
In addition, the top 3 of having large number users services are as following:
#1 Real-time communication(ex. IM, Chat) 415.1M users
#2 Online search 407.4M users
#3 Online music 385.85M users
The top 3 of having high growth rate services are as following:
#1 Weibo 296.0%
#2 Joint purchasing 244.8%
#3 Online payment 21.6%
And the usage of each service by mobile phone is as following:
#1 mobile real-time communications 83.1%
#2 mobile search 62.1%
#3 mobile news 60.9%
#6 mobile SNS 42.3%
#7 mobile Weibo 38.5%
Weibo had rapid growth in PC and mobile area in 2011, but it's already started "Real-name Weibo Registration" , so we have to pay attentions closely how changes there are around Weibo services in 2012 too.
Original article => A miscellaneous notes of Micorblogging(Weibo) in China