Designers use technology to prevent copycats.

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Why Facebook, Yahoo and eBay use Hadoop.

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Where Google, Facebook and Apple will converge--and why it's so important to win.

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Toyota sales were down, but Honda was up.

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What's really worrying security experts, and how to fix the problem.

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Smog making you choke? Do you have the flu? Your tweets could be valuable to researchers.

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