Here are five quad-core games showcased at the mobile tech event in Barcelona, Spain, that are worth looking out for when they go mobile later this year.

CNN: 5 quad-core mobile games to watch

Asked how its new clean-tech initiative fits into Google's core search and advertising business, Brin said it's part of the company's 70-20-10 rule.

FORBES: Google Goes Green

At the same time, the core of the elite liberal constituency--academics, high-tech businesspeople and media figures--has been growing steadily in wealth and influence.

FORBES: Magazine Article

With devices like the Fitbit Flex, upcoming Core 2 from BodyMedia, and now the Amiigo, we have a wealth of tech-centric solutions to aid us in our quest to shed pounds and stay fit.

FORBES: Wearable Fitness Tech: Amiigo Bracelet Detects Detailed Activity, Now Available For Pre-Order

For the last few years, Twitter has mainly been a tool for tech insiders and news junkies, just as CNN initially appealed primarily to a hard-core, but limited audience of news obsessives until the start of the Gulf War, when everyone tuned in for news on the war as it broke.

FORBES: Twitter Is About To Get Bigger