President Obama says it remains to be seen whether Russia will honour a deal to calm tensions in Ukraine, reached at multi-party talks in Geneva.
The Nobel prize-winning Colombian author Gabriel Garcia Marquez, author of One Hundred Years of Solitude, dies in Mexico aged 87, his family says.
It's never been cheaper or easier for small businesses to get their message out to the world, using everything from viral video to motion-tracking video games.
In the midst of a massive recall, Chevrolet refocuses attention by unveiling a Corvette that accelerates from a stop to 60mph in less than 3.5 seconds.
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