The San-Francisco-based microblogging site Twitter, which became the target of a prolific Internet worm, was hit aggressively in a four-attack series over the weekend - beginning Saturday morning and continuing till early Monday morning.

San Francisco - Reclusive Swiss architect Peter Zumthor on Sunday won the coveted Pritzker Prize, said to be architecture's equivalent of the Nobel Prize. Both controversial and idiosyncratic, Zumthor, 65, works quietly in the Swiss village of Haldenstein, but he has designed projects in Germany , Austria, The Netherlands, England, Spain, Norway, Finland and the United States.

In the next couple of weeks, the review Web site Yelp intends activating its new "reply" feature, whereby the voiceless-till-now small business owners reviewed on the site will get a chance to counter the rather ruthless criticism from the so-called Yelpers - the cadre of high-ranking reviewers!

San Francisco  - The newspaper and internet headlines in the US had a chilling familiarity Wednesday: more economic gloom about the mortgage crisis and another spate of horrific killings.

San Francisco  - California is to return three 16th-century Italian paintings from the Hearst Castle to the family of Holocaust victims who were forced by the Nazis to sell the artworks, a news report said.

San Francisco  - Can the tight US economy help Microsoft beat back the cavalry charge of its much smaller, but much cooler, competitor Apple?

The software giant from Seattle seems to sense a whiff of opportunity in the air, bombarding the trendy maker of Macs, iPhones and iPods in ads and executive comments for being too expensive in these penny-pinching times.

San Francisco  - Internet giant Google said Thursday that it planned to cut 200 jobs in sales and marketing to trim costs as revenue growth slows amid the current global recession and sharp US economic downturn.

Lenovo is displaying its pepped-up workstation line with two new models - the ThinkStation D20 and S20 - at this week's Game Developers Conference in San Francisco. Both the new computers - designed for professionals involved in digital content creation (DCC), computer-aided design (CAD), and engineering design automation fields - are aimed at high-end developers and users.

It was like a congregation of thousands of video games enthusiasts at the Moscone Convention Center in San Francisco, California, where the Game Developers Conference (GDC) opened on Monday.

San Francisco  - On March 24, 1989, a massive tanker captained by a man who had allegedly been drinking, sailed outside regular Alaskan shipping lanes and hit a reef, causing one of the worst environmental disasters in US history.