LinkedIn plans to expand to Sunnyvale, Calif.

(AP) -- The first Facebook employees are just getting settled at the company's new Menlo Park, Calif. headquarters, but the online social network is already talking about expanding.

Career networking website LinkedIn opened its Asian headquarters in Singapore on Tuesday, part of a plan to tap the region's large pool of professionals.

(AP) -- President Barack Obama is again turning to a social networking website to host a town hall meeting.

LinkedIn Corp.'s employees and early backers plan to sell more than 6.7 million shares as they try to reap the gains from a rapid run-up in the online professional networking service's market value.

Facebook on Tuesday announced plans to move its fast-growing operations to a sprawling Silicon Valley campus once home to Sun Microsystems.

LinkedIn Corporation said Tuesday it had opened a research and development centre in India, the US-based professional online networking site's first such office outside North America.

(AP)—Yahoo CEO Marissa Mayer is promising to unveil "something special" Monday in New York as she tries to attract more traffic and advertising to the Internet company.

(AP)—The Canadian government is trying to lure Silicon Valley tech workers who are frustrated by U.S. visa policies, just as Congress wrestles with a long-sought overhaul of America's immigration system.

(AP)—Bloomberg LP, the financial news and information service, on Friday said it has appointed Samuel Palmisano, the former CEO of IBM, as an independent adviser on its privacy and data standards.

Apple and US lawmakers are gearing up for a showdown over taxes—specifically how to deal with the huge stockpile of cash held by Apple and other multinational firms offshore.

Yahoo! scheduled a news conference Monday amid reports it was in talks on with the popular blogging platform Tumblr about an acquisition or strategic alliance.

(AP)—Tableau Software shares soared in their trading debut Friday after the company and some of its investors raised about $254.2 million in its initial public offering.