It can spur a revolution, take down bullies and help you keep track of your friends. Scott Budman has the some of the many faces of Twitter, which can spur innovation and controversy.
Model N is another Silicon Valley company to hit it big with an IPO
Silver Spring Networks brings in big IPO dollars
The world's first solar-powered plane that can fly day or night, without fuel, is here in the Bay Area. Business and tech reporter Scott Budman got an exclusive look.
Zynga stock shines on buyout rumor
Facebook focuses on the news with its newest re-design
It's all over the business world, now coming to a city near you.
Facebook to make another change, this time in News Feed.
Amazon ad features gay marriage, like it's no thing.
Tesla releases earnings, moves past New York Times flap.