Twitter CEO Dick Costolo has said the microblogging site sees an average of 250m tweets per day, up from 100m tweets at the start of the year. He also confirmed it’s now valued at US$8bn.
Speaking at the Web 2.0 Summit in San Francisco, Costolo said Twitter has 100m users, of which 50pc are active. He also said there are a billion tweets every four to five days.
Costolo pointed out that Twitter’s integration into iOS 5 has seen three times as many sign-ups to the service on the first day of the mobile operating system’s release. Mobile usage of Twitter is increasing by 40pc each quarter.
He confirmed Twitter was now valued at “an even US$8bn,” up from US$3.7bn last year. It recently raised US$800m across a two-part round of funding. However, Costolo said Twitter won’t go public anytime soon.
He also spoke about advertising on Twitter. While it already has promoted tweets and trends, Costolo said there would be more kinds of ads introduced in future, though he emphasised he would not make changes that would alter Twitter from what people are used to.
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