Staples, Office Depot and Micro Center.

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In fact, the micro-blogging service actually took office space that Facebook occupied before it moved to its current, larger office.

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But if the quickest route to public office is via a sophisticated micro-targeting operation, why bother marshaling support for initiatives that speak to us as a people and rise to the challenges we experience as a nation?

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Because the media refused to cover the battle, the mayor's office issued updates on Twitter, a micro-blogging service.

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Yahoo's back-office technology is now "built for millions of communities with micro-interests, " says Farzad Nazem, Yahoo's chief technical officer.

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One of our box office draws is Eva Chen, the cofounder and CEO of Trend Micro, the No. 3 antivirus software firm worldwide and the biggest in Asia.

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