Evan Williams

Lift is the first start-up from San Francisco incubator Obvious Corp. And what is Lift? A social network that seeks to encourage its users to reach their goals. How does it do that? Lift and Obvious Corp. aren't saying as of now. But according to reports,...

The Protect IP Act, an entertainment industry-backed bill to combat online piracy, has drawn fire from tech advocacy groups and noteworthy engineers who worry about its effects on the Internet ecosystem. Now, more than 100 tech entrepreneurs and...

Twitter has megabucks in the bank and no interest in going public anytime soon. That was one of the headlines from an informal conversation with Chief Executive Dick Costolo at the company's San Francisco headquarters Thursday....

In a move that has been rumored for months, Twitter Inc. has handed the reins to its chief operating officer Dick Costolo, who replaces co-founder Evan Williams as chief executive. Williams, who has run the privately held San Francisco company......

By the age of two, some 81 percent of children have a digital footprint, a new study reveals. For an aspiring politician, that can mean trouble....

Twitter is aiming for 1 billion followers as it challenges Facebook for advertisers. "Twitter will get to a billion members," Twitter co-founder Evan Williams said at an event at the Commonwealth Club in San Francisco. Williams, who took part in......

Conan O’Brien is entering a new post-"Tonight Show" era with his return to late night. For the occasion, the bearded, rebranded television show host and Twitter celebrity asked artist Yiying Lu to create his very own version of Twitter's "fail......

Facebook's Mark Zuckerberg may have stolen the show Tuesday night at the Web 2.0 Summit in San Francisco. But the Internet sensation on everyone's minds and lips was Twitter. The much-discussed (and tweeted) San Francisco company that runs the popular.......

Who has influence on Twitter? Twitter not only knows the answer to that question. It comes up with a reputation score for users. That's how it knows which users to suggest in its "Who to follow" section. During an onstage......

Will Twitter or won't Twitter raise another round of funding that would make it worth $3 billion? Twitter co-founder Evan Williams did not shed any light on the subject Wednesday despite persistent onstage questioning from John Battelle at the Web......

Twitter co-founder Biz Stone told Fresh Air's Terry Gross in an interview that aired Wednesday: "We are not for sale." He dismissed rumors that the company was in "low-level" takeover discussions with Google and Facebook that would fetch $10 billion......

In March 2006, Jack Dorsey began writing the code for a simple program that would let his office mates send each other little messages. But more than e-mail or instant message, the idea was to let people send everyone in......