Facebook and eBay shared some tips this week for improving efficiency and cutting energy bills in data centers.

Microsoft announced the Windows Phone 7 OS for handheld devices on Monday, taking a step forward in the company's efforts to strengthen its position in the still-growing smartphone market. CEO Steve Ballmer unveiled the first phones to run the OS, and named the network operators that will distribute them.

Nokia has named Stephen Elop, president of Microsoft's business software group, to become its new CEO effective from later this month.

The U.S. government lacks a plan to counter terrorist recruiting efforts online, even though such efforts by jihad groups are growing, one terrorism expert told U.S. lawmakers.

PC maker Dell is looking into Advanced Micro Devices' Fusion processors for use in future laptops and desktops as it tries to make PCs smaller and more power-efficient, a company executive said.

The new rules went into effect March 16.

Intel Corp. is honing its sights on many-core chips that are far more powerful than today's dual and quad-core processors.

Hewlett-Packard reported an 18 percent jump in profit for its fiscal fourth quarter, thanks to cost-cutting efforts and the strength of its services business.

Some of the few PC makers who offered a controversial Web filtering program mandated by China have reversed those plans, dealing the latest blow to China's efforts to deploy the software nationwide.

EMC on Monday increased its offer to acquire storage vendor Data Domain from US$1.8 billion to $2.1 billion in its latest effort to shove aside original bidder NetApp.

China will require that Web filtering software be included with all computers sold in the country, another step up in its efforts to control pornography and other content on the Internet.

Intel CEO Paul Otellini joined a call on Thursday for Group of Twenty (G-20) finance ministers and central bank governors to implement policies that encourage investment in environmentally friendly technologies and agree on a more effective climate treaty, the only head of a major high-technology to sign the letter drafted by the Copenhagen Climate Council.

Computers infected with the Conficker worm are being updated with a new variant that sidesteps an industry effort to sever the link between the worm and its hacker controllers, researchers at Symantec Corp. said Friday.

The effects of tough price competition in the electronics and cell phone businesses hit Sony's profits during the April to June quarter, it said Tuesday.

IBM will invest $1.5 billion to boost its semiconductor manufacturing and research efforts in New York State, the company announced on Tuesday.

EBay will open a tool used by 700,000 of its merchants to external developers, the next step in an ongoing effort to promote the creation of applications for its online marketplace.

Billionaire investor Carl Icahn will proceed with his plan to replace Yahoo's entire board in an effort to force the company to reopen merger negotiations with Microsoft, the Wall Street Journal reported Wednesday.

The One Laptop Per Child Project appointed a new president and chief operating officer on Friday to run daily operations at the nonprofit effort, sending a signal that it could be recovering from the loss of top personnel over the past few months.

Advanced Micro Devices on Monday said it plans to lay off 10 percent of its work force by the third quarter of 2008 in an effort to cut costs.

Jeff Raikes, the president of Microsoft's Business Division, plans to retire in September, the company said on Thursday.