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Twitter Cofounder Evan Williams has stepped aside as CEO and placed Dick Costolo, the man he hired as chief operating officer, in charge of the company as it works to build its business model. "I am most satisfied while pushing product direction," Williams wrote in a blog post announcing his decisio...

With the launch of the new Windows Phone 7 operating system and the devices that run it less than a week away, another mobile carrier has been added to the mix. It has been known for some time that AT&T will carry WinPho7 devices at its Oct. 11 launch. Now it appears that T-Mobile also will anno...

E-commerce security has never been more top-of-mind for retailers. Security breaches like the one that happened at TJX in 2007 reverberate not only through the media, but also -- more importantly -- through consumer confidence, for years. Even with an aggressive clean-up strategy, an attack can crea...

You can almost hear the old-timers growling: "Back in my day, you wanted to get published, first you had to cut down the trees yourself. In the snow. With only a pen knife." Now, it literally just takes a push of a button. The new Barnes & Noble PubIt e-book publishing service, unveiled on Monda...

You can almost hear the old-timers growling: "Back in my day, you wanted to get published, first you had to cut down the trees yourself. In the snow. With only a pen knife." Now, it literally just takes a push of a button. The new Barnes & Noble PubIt e-book publishing service, unveiled on Monda...

You can almost hear the old-timers growling: "Back in my day, you wanted to get published, first you had to cut down the trees yourself. In the snow. With only a pen knife." Now, it literally just takes a push of a button. The new Barnes & Noble PubIt e-book publishing service, unveiled on Monda...

So, you're an entrepreneur with a great idea? Too bad your inspiration arrived in the worst economy since the Great Depression, complete with a meltdown of the venture capital industry. What's left on the charred landscape? The fact is that no one gets boatloads of seed capital anymore -- especially...

In a set of coordinated investigations, federal, state and local officials filed charges this week against more than 70 defendants who allegedly used cybercrime techniques to defraud both individuals and corporations out of millions of dollars. New York County District Attorney Cyrus R. Vance, Jr., ...

The Indian government has been unable to intercept communications carried over BlackBerry devices despite an interim agreement on data sharing that kept Research In Motion's service alive after a threatened August outage, according to a report published Friday in the Economic Times, an Indian news s...

HP announced on Thursday that it has appointed former SAP CEO Leo Apotheker its new president and CEO. The company also named Ray Lane, managing partner at venture capitalists Kleiner Perkins Caufield & Byers, as a new member of its board of directors and named him non-executive chairperson. Bot...

In the past few months, Research In Motion, the creator of the BlackBerry, has been under pressure by authorities in the United Arab Emirates, Saudi Arabia, India, and other countries to provide greater access to the encrypted information sent by its devices. Each country threatened to ban BlackBerr...

Congress is unlikely to pass legislation regulating the activities of broadband Internet service providers this year. And it's not clear when -- or if -- such rules will be enacted. Democratic California Congressman Henry Waxman, chairman of the House Committee on Energy and Commerce, pulled a bill...

AOL went on a buying binge this week. It made headlines with the purchase of the TechCrunch blog network, but on the same day it also bought two promising startups -- Thing Labs and 5min Media. Thing Labs makes Brizzly, a Web-based program that allows people to manage their social networking on Twit...

I first met Dan Hesse, the CEO of Sprint, back in the mid 1990s and have since followed both his and Sprint's journey. Let me tell you the backstory of the battle Hesse is fighting to bring Sprint back to life. I will also share a few thoughts about where it is today in its recovery, and what we can...

With the announcement of its PlayBook device, Research In Motion this week joined the ever-growing list of companies rushing to bring out tablets of their very own. The company seems to be focusing on the enterprise, with the hope that corporate users will love their PlayBooks so much that it will s...