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Wolfram Alpha Pro’s creator wants his “computational knowledge engine” to appeal to more than math and science enthusiasts.

Art Fair 2.0 takes a second stab at the virtual exhibition (and the Web site runs more smoothly this year).

The two companies will combine to try to give customers more access to video on the Web, and possibly position the new venture as an alternative to Netflix.

In Silicon Valley, wearing flashy socks is more than an expression of your personality. It signals that you are part of the in crowd.

European activists are hoping to stop the international Anti-Counterfeiting Trade Agreement, which they say will erode Internet freedom and stifle innovation.

Although more than half of its 845 million members log into Facebook on a mobile device, the company has not yet found a way to make real money from that use.

The president of Memorial Sloan-Kettering Cancer Center, Dr. Craig B. Thompson, is in a billion-dollar dispute with his former workplace over accusations that he walked away with research.

Get to know the host of “7 Minutes in Heaven.”

Sheryl Sandberg, Facebook’s No. 2 executive, considers herself a role model for women. But her call isn’t simply about mentoring and empowering; it’s also a business strategy.

Thanks to Facebook, the concept of “defriending” has become part of the online culture. But in the real world, breaking up is a lot more difficult.

More companies are turning to gamification — offering games that let their customers win points for certain activities — as a way to build both loyalty and a trove of data.

On HealthTap, an interactive Web site, users can ask for medical advice, and doctors can gain whimsical “awards” for their answers.

The group known as Anonymous listened in on a call between the bureau, Scotland Yard and other foreign police agencies about their joint investigation of the group and its allies.

Curt Schilling, the former Boston Red Sox pitcher, left baseball to start 38 Studios, a video game company, maker of Kingdoms of Amalur: Reckoning.

Fourth-quarter earnings declined to $22.8 million, compared with $66.2 million a year ago.

Facebook’s public offering will make a lot of billionaires and millionaires, some of them prominent people and others not.

The company warned it expected to post a fourth consecutive annual loss, of $2.9 billion, as sluggish sales and natural disasters weighed on its bottom line.

The social network filed to sell shares on the stock market in what is on track to be the largest Internet initial public offering ever, potentially valuing it as high as $100 billion.

The social network’s stock offering, expected to value the company at $75 billion to $100 billion, is bound to raise even more concerns about privacy and other issues.

John Browett, the former chief of Dixons Retail, a British-based store chain, will become Apple’s senior vice president overseeing retail efforts.