Facebook updates its homepage to emphasize games and apps and make it easier to find updates from friends. The site now has 400 million users.

The new horror movie “Paranormal Activity” could be filling movie studio marketing departments with fear. The film cost reportedly cost just $11,000, but made more than $7 million last weekend — using word of mouth.

Sling Media on Monday launched a new version of its SlingPlayer Mobile app for iPhone and iPod touch.

Forget about 20/20. “Perfect” vision could be redefined by gadgets that give you the eyes of a cyborg.

Make a few easy changes around the house for substantial savings.

One of the Web’s basic tenets is that small contributions from lots of people can amount to something powerful in the aggregate. Now, a growing group of writers, musicians, visual artists and videographers is turning this Wikipedia-era philosophy into online collaborative art.

Authorities have arrested three Spaniards suspected of infecting 13 million computers with a program that allowed them to steal personal and financial data worldwide, Spain’s Civil Guard said Wednesday.

Ever wonder who designs those illustrations that transform the Google.com logo on holidays and other special occasions such as the Vancouver Winter Olympics? The lead artist talks about the process.

Forgot to charge your cell phone last night? Imagine that you could power it by walking. Weirder still, you might be able to just spray a new battery on. In a small but growing field, nanotechnology is being used to create energy.

AT&T said it will invest an additional $2 billion in its network in 2010 to make sure it keeps up with the growing demand from new smartphones and other 3G data devices such as the Apple iPad.

With more than 2,000 Internet movers and shakers gathering, the LeWeb conference in Paris is an ideal spot for new start-up ventures to ply their wares hoping to attract the investment and attention that will propel them to Twitter of Facebook-style success.

Yahoo will let people in the United States start selecting a new, more personalized version of its home page beginning Tuesday afternoon. The revamp lets people select basic applications to use not just Yahoo sites, but also others’ such as eBay, Facebook and Twitter.

NASA is monitoring debris in space moving in the vicinity of the international space station and the Shuttle Discovery docked with it, officials said late Wednesday.

The story of a saucer-like balloon, set loose by a 6-year-old boy above eastern Colorado, was a bonanza for social networking sites: Facebook, in a little more than an hour, had three fan pages and three groups dedicated to “Balloon Boy,” while Twitter was abuzz as well.

Esra’a al Shafei, a recent university graduate in Bahrain, is young, Muslim and frustrated.

Google’s much-anticipated new phone, the HTC-designed Nexus One, could make its debut next week.