Seeking an edge in the world of high-end smartphones, Motorola is bringing back the "Razr" name, once attached to the best-selling phone in the world.

The phone revealed Tuesday is thin, like the old Razr. Otherwise, the new Razr is a different breed from the folding "dumb" phone that made Motorola the second-largest phone maker in the world, before Apple Inc. shook up the industry with its iPhone in 2007.

South Korea's Samsung Electronics on Wednesday unveiled its new smartphone that runs on Google's latest Android operating system, the latest weapon in its battle to topple Apple's iPhone.

The launch of the "Galaxy Nexus", which comes days a after the new iPhone 4S went on sale, was initially scheduled for October 11 but was delayed following the death of Apple chief Steve Jobs as a gesture of respect.

Sony said its next-generation PlayStation Vita games console will be released in the United States and Latin America on February 22.

"PlayStation Vita will redefine traditional boundaries of gaming and blur the lines between entertainment and reality," said Sony Computer Entertainment America chief executive Jack Tretton.

Research In Motion (RIM) on Tuesday set out to rev up itsBlackBerry and PlayBook lines with a tactic from Apple's winning playbook -- sexy, entertaining software applications.

Co-chief executive Mike Lazaridis opened a major RIM developers conference here with a humble acknowledgement that the company stumbled with a recent BlackBerry service outage and quickly shifted to talk of an upbeat future.

The head of global online auction powerhouse eBay said that China has essentially put up a wall when it comes to non-Chinese Internet firms.

"The domestic China market for Internet-based service is, in essence, closed," eBay chief executive John Donahoe said during an interview at a Web 2.0 Summit in San Francisco.

Cable television's USA Network said it has enlisted Internet startup Yap.TV to tap into the hot trend of people "chatting" online while viewing shows.

Yap-powered applications will let people take polls, dish about actors and more in online forums with friends watching programs at other venues.

Boudy Nasrala runs a successful brand design company in Lebanon, but when it comes to communicating with clients around the globe using the Internet, he knows to arm himself with patience -- lots of it.

"I recently finished a branding campaign for a new restaurant in Qatar but it would have been easier to put my work on CD and send it by express mail," sighed Nasrala, 34, who counts among his clients Pepsi and Microsoft.

Silicon Valley star Sean Parker said Facebook would have to blunder in a big way for Google's social network to steal its crown.

"Facebook would have to screw up royally and Google would have to do something really smart," Parker said during an on-stage interview that opened a Web 2.0 Summit in San Francisco.

Trying to make amends for massive outages last week, Research In Motion announced a free premium apps giveaway for millions of its customers who may still feel jolted, and a month of technical support for some.

The Canadian company said Monday that the apps, worth more than $100, will be made available over the coming weeks on BlackBerry(at) App World. They include iSpeech Translator and the games "Bejeweled" and "Texas Hold'em Poker 2." The offer runs until the end of the year.

Samsung Electronics is asking Japanese and Australian courts to block sales of Apple's new iPhone 4S in those countries.

The preliminary injunctions Samsung filed Monday in Tokyo District Court and the Federal Court in Australia are part of an intensifying patent battle between the smartphone giants.