Sina aims to capitalize on its micro blogging website, Weibo, to increase its share in the online display advertising market.

FORBES: Key Drivers And Risks To Sina's $68 Valuation

Journalists inside the court were given permission by the judge to report on proceedings live via micro-blogging website Twitter.

BBC: Wikileaks founder Assange bailed, but release delayed

The broadcaster, who has a background in horse racing and sports programmes, broke news of the all-clear to her followers on Twitter - the micro-blogging website.

BBC: presenter Clare Balding gets cancer all-clear

Twitter posted a blog on their website saying the micro-blogging service had been restored an hour and a quarter after the hack was first noticed.

BBC: Pro-Iranian hackers hit Twitter and opposition websites