"According to a new study, Web browsing can actually refresh tired workers and enhance their productivity, compared to other activities such as making personal calls, texts or emails, let alone working straight through with no rest at all."

"Japan's massive earthquake affected operations at dozens of semiconductor factories, raising fears of shortages or price increases for a number of widely used components—particularly the chips known as flash memory that store data in hit products like smartphones and tablet PCs. The quake struck hundreds of miles from many key chip plants, including most of the factories that account for the bulk of Japan's flash-memory production.

I am writing this in Microsoft Word, hardly an unusual way to author a document. But I'm not using Word as you know it—part of the large, complex Microsoft Office suite installed on your computer's hard drive. Instead, I am using a new, streamlined version of Word that for the first time resides on remote servers you reach through the Internet.

"Intel Corp. said one of its top executives, Sean Maloney, suffered a stroke and will take a medical leave expected to last several months.

Mr. Maloney, 53 years old, is expected to make a full recovery and resume all his responsibilities after recuperating, the company said. The stroke occurred at his home late last week,..."

Microsoft launched a novel legal assault to take down a global network of PCs suspected of spreading spam and harmful computer code, adding what the company believes could become a potent weapon in the battle against cyber criminals.

But security experts say it isn't yet clear how effective Microsoft's approach will be, while online rights groups warn that the activities of innocent computer users could be inadvertently disrupted.

On Monday, a federal judge in Alexandria, Va., granted Microsoft's request for an order to deactivate hundreds of Internet addresses that the company linked to

The unveiling of Apple Inc.'s iPad renews a classic gadget debate: Do consumers want purpose-built devices that do one thing and one thing well, or all-in-one wonders that try to accomplish many different tasks?

Amazon.com Inc. proved that there is a market for a single-purpose digital-books reader with its Kindle, which features a black and white E Ink Corp. screen that's supposed to be easy on the eyes and battery—but doesn't do much more than show words on a page.