China's microblogging service, i'm sure, has been watching twitter's moves to end the 140-character limit, and according to this report, Sina Weibo is to test this on selected accounts from 28 January, and to roll it out by 28 February. I'm sure twitter will be watching this one closely, too.
Chinese microblogging service Sina Weibo will remove its 140-character limit starting Jan. 28 on its developer platform, its CEO confirmed on Wednesday China's Microblogging Service, Sina Weibo, Tests Removal of 140 Character Limit [news.xinhuanet.com]
On Wednesday, a snapshot of a letter from Weibo Open Platform to its developers was widely circulated on Weibo, where it said the new format is expected to be tested among "senior users" from Jan. 28 and open to all users by Feb. 28.