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After setting its IPO stock price at $26 per share, Twitter on Thursday made a strong public debut in which trading opened at $45.10 per share -- 73 percent above the IPO price. That opening price valued the social media company at more than $31 billion based on its outstanding stock, options and re...

Finally the barge mystery has been solved -- but the answer for some is a bit deflating. That four-story barge floating on San Francisco Bay -- not to mention others in three additional cities, including Portland, Maine -- has whipped tech observers into a frenzy because of its clear but uncertain l...

As most of us know by now, the Bitcoin is a digital currency, a virtual currency. It is not controlled by any central governmental authority and, as such, is not subject to a government-directed devaluation. Those who hold Bitcoins as an investment should be especially wary because it has experience...

Dish Network on Wednesday announced that it will close its 300 remaining Blockbuster stores by early January and will end its Blockbuster By Mail service by mid-December. The company cited increased competition from digital and on-demand entertainment. Dish acquired Blockbuster in April 2011 for $32...

AT&T and Verizon have quietly been building a strong TV business. In fact, I read last week that where they offer service, they have almost the same market share as the cable television company leaders like Comcast, Time Warner and Cox. That's an incredible accomplishment. Telecom is changing. I...

Amazon on Wednesday announced a new program that will enable independent bookshops and other small retailers to earn extra money by selling Kindle devices and accessories. Dubbed "Amazon Source," the program gives retailers a discount on Kindles and accessories for resale as well as 10 percent of th...

Mammoth tomes about high-tech entrepreneurs with a secretive bent are almost a sure bet to stir up a hornet's nest of controversy when they're published. That's certainly been the case with Brad Stone's The Everything Store about CEO Jeff Bezos and Amazon. The twist here is that the critic in the po...

T-Mobile U.S. ended its third quarter of 2013 with roughly a million more customers than it had at the end of the preceding quarter, it announced in an earnings report on Tuesday. Included among those new customers were 648,000 branded postpaid net customers for the quarter. T-Mobile now counts 45 m...

The troubled launch of HealthCare.gov has been costly for President Obama and Democratic supporters of the entire Affordable Care Act program, also known as "Obamacare." The difficulties surrounding the launch have spurred broader criticism about the federal government's management of major IT deplo...

Google on Monday introduced a new social media feature called Helpouts, a real-time channel that's designed to let businesses and individuals give and get help over live video. Powered by Google's Hangouts video chat platform, Helpouts can be used to offer instruction in a wide range of areas, from ...

IBM's recent Enterprise 2013 conference in Orlando, Fla., was the Systems and Technology Group's inaugural event focusing on high-end business solutions. So it was no surprise that the CIOs, partners and IT practitioners -- data center admins and managers -- who work with IBM's System z mainframe an...

Twitter on Monday gave would-be investors in its initial public offering more food for thought in a new Securities and Exchange filing. On one hand, it is clearly feeling confident about its valuation: The company raised the price range for its IPO to $23 to $25 per share, up from the $17 to $20 per...

BlackBerry shares fell 13 percent Monday morning on news that the company has abandoned its plan to sell itself to its largest shareholder, Fairfax Financial Holdings. Instead, it has entered into an agreement whereby Fairfax and other institutional investors will invest $1 billion in the company. T...

"In this world nothing can be said to be certain, except death and taxes," wrote Benjamin Franklin in a letter to Jean-Baptiste Leroy in 1789. You have to wonder if Old Ben wouldn't add cyberattacks to that list were he alive today. We live in a world in which hundreds of thousands of new threats ar...

A consortium of technology companies is suing Google and Android manufacturers in its first patent lawsuits after it outbid the search giant for thousands of patents previously owned by Nortel. Rockstar, owned by Apple, Microsoft, BlackBerry, Ericsson, Sony and EMC, has accused Google of infringing ...