Evan Williams

Biz Stone celebrated the fifth anniversary of Twitter on Conan O'Brien's show on TBS Monday night. The connection between the Twitter co-founder and the celebrity Twitter user makes sense: This is a company that likes to laugh. And O'Brien is really...

Evan Williams is spending less and less time these days around the San Francisco offices of Twitter, a company he co-founded and once ran as CEO. But Williams isn't gone from Twitter altogether -- despite former-COO Dick Costolo taking over as chief...

Jack Dorsey is looking to take Twitter mainstream. The co-founder is stepping into a new full-time job as executive chariman to lead product development, all while maintaining his CEO position at his mobile payments startup, Square. Dorsey is also looking...

Twitter has removed the QuickBar from its iPhone app, to the delight of a loud and passionate group of grumblers on the Web who bestowed it with another name that we can't publish here. At the beginning of the month, Twitter updated its iPhone app so that...

Twitter is getting a tax break that the San Francisco Board of Supervisors hopes will keep the social media company and other growing tech firms in the city for years to come. In an 8 to 3 vote, the supervisors approved an ordinance on Tuesday to give...

Blippy's experiment of broadcasting credit card and online purchases across social networks is coming to an end, according to a report. The Palo Alto-based company, which was backed by the likes of Twitter co-founder Evan Williams and at one time valued...

Jason Goldman, Twitter's longtime vice president of product, announced his resignation Wednesday on stage at the Le Web Internet conference in Paris. Goldman, who oversaw the launch of Twitter's redesign, said he needed a break. His departure comes...

About 8% of American adults who use the Internet are Twitter users, with 2% using it on a typical day. Twitter is particularly popular with young adults, minorities and those who live in cities. Those were the findings of a......

Let's just have a show of hands: Who doesn't want to buy Twitter? That might be simpler than tracking the ever-ballooning list of companies flirting with the popular microblogging service. For a company that says it's not for sale, Twitter......

Jason Shellen and Chris Wetherell discuss their new start-up company, Thing Labs. Their Twitter and Facebook aggregator Brizzly launched publicly today....

How does Silicon Valley laugh off Hollywood’s upcoming film on Facebook? With mock trailers for fake movies only slightly less factual than “The Social Network.” YouTube.com was the first in the spotlight. The latest send-up is “Twitter Movie...

Google announced today that Blogger's beta feature that allows users to create separate pages -- such as an "about me" page -- is now available to everyone....