Twitter opening office in HK despite China ban

Social media giant Twitter has said it will open an office in Hong Kong in the first quarter of 2015. The messaging service has been banned from operating in China since 2009 over fears that it could be used to organise protests against the government.

Apple voted United Kingdom's coolest brand as Twitter slumps

Apple has retained its title as the coolest brand in Britain for the third year running but Twitter has fallen out of favour to make way for rival Instagram, according to an annual survey.

Twitter ads get language targeting

Social networking giant Twitter has introduced a new feature that will allow advertisers to target users on its platform based on their language.

Turkish Finance Minister Simsek defends Twitter ban

Turkish Finance Minister Mehmet Simsek has defended his government's ban on Twitter, accusing the website of failing to comply with court orders.

Twitter Resists Investor Frenzy to Avert Facebook Flop

The contours were familiar: A hot social-media company going public with investors baying to buy its stock.

9 things Weinergate tells us about Twitter

(CNN) -- By now, unless you live under a boulder large enough to block data signals, you know that New York Rep. Anthony Weiner is embroiled in a scandal involving an extremely personal picture sent from his Twitter account to a Seattle college student.

Twitter plays musical chairs as founders' roles shift

NEW YORK (CNNMoney) -- Twitter's transition from "cultural force" to "actual moneymaking business" isn't going smoothly. A management shift is in the works, with one of the site's creators ramping up his involvement and another quietly stepping away.

Co-founder Evan Williams, who handed the CEO title over five months ago to then-COO Dick Costolo, is rarely in the office these days. He spent most of February away from San Francisco at a ski resort, a vacation he extensively documented with photo-sharing app Instagram.

Twitter boss on application snub

Twitter founder Biz Stone has rejected suggestions that the site is shunning developers in order to make money.

He told BBC News that attempts to dissuade companies from writing Twitter client applications were about improving the user experience.

Twitter has come under fire for suggesting that it did not want developers creating software which replicated its own interface.

Demand for Twitter details in Wikileaks probe upheld

A federal judge has ruled that the US government may demand that three associates of Julian Assange hand over Twitter account information in the criminal investigation into Wikileaks.

The three users of the social network had appealed against an earlier ruling.