Twitter boss talks about presidential race

The man at the head of the giant microblogging site says without Twitter, candidates will suffer.

Yes, Twitter is doing better than ever

Despite two of its original founders leaving, pressure from competing social sites Facebook and Google+, and a government antitrust inquiry, Twitter executive Dick Costolo says the company is doing better than ever.

Is Twitter worth $7 billion?

Even though Twitter hasn't made any declarations about a potential IPO or even hinted of the possibility of going public any time soon, our favorite micro-blogging client may soon be valued at around $7 billion.

How to make Twitter more useful

Last year, Twitter made it a goal to increase monetization of its social networking site by implementing promoted tweets and running ad campaigns with major brands.

Twitter founder Jack Dorsey makes a comeback

Jack Dorsey, the original creator of 140-character social networking site Twitter, is back in the game. Word on the street says Twitter hopes to re-hire Dorsey full time as either the CEO or something like a chief product officer.

Twitter CEO Evan Williams hands over to Dick Costolo

Twitter COO Dick Costolo is replacing Evan Williams as CEO, marking the company's new focus on monetization.