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.

Without the free content created by its 850 million users, Facebook would surely not be on the verge of a multibillion-dollar initial public offering.

Today’s Internet is a place for getting things done, pushing aside the cyberflâneur — the heir to the flâneur culture of 19th-century France.

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

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.

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.

A computer hacker group continued a wave of attacks against Brazilian financial websites, hampering the sites of Citigroup and other prominent institutions.

Steve Appleton, whose death was considered a major loss for the struggling company, was piloting the small craft in Boise, Idaho.

Mark Zuckerberg plans to exercise stock options with an estimated value of $5 billion ahead of Facebook’s I.P.O. which will translate into a big tax benefit for the company.

Hewlett-Packard agreed to give its stockholders the chance to approve so-called proxy access through a bylaw vote at its 2013 annual meeting.

Most football fans will be forced to spend at least part of the weekend away from televised Super Bowl coverage. For those not willing to endure that sort of pain, the N.F.L. this week released three apps to help.

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

Russian investor Yuri Milner stands to reap a multibillion-dollar windfall from his early bet on Facebook stock. But in return, he has agreed to terms that handcuff what he can do with his Facebook shares.

Since Zynga generates the vast majority of its revenue on Facebook's platform, analysts tried to use Facebook's financial results to reverse-engineer Zynga's fourth-quarter earnings. Trouble is, the models used have too many moving parts to draw firm conclusions from them.

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.

When the Giants and Patriots take the field on Sunday in Indianapolis, they won't be doing battle in soft leather helmets with no face masks. And there definitely won't be some kid on the sideline ladling out water from a tin bucket to quench their thirst after a big play.

Micron Technology said Steven Appleton, the chip maker's chairman and chief executive, died Friday in a small-plane accident in Idaho.

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

Shares of South African mobile-phone operator MTN fell after the company said it is investigating claims by Turkey's largest mobile-phone operator that it engaged in corruption to secure a deal in Iran.

BT Group posted a 41% jump in third-quarter net profit, aided by further cost cutting, lower finance expenses and new contracts, and said it will reach some of its earnings targets a year earlier than expected.