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Sixteen people work at Twitter, most of them writing code that determines what users see when they log on to the service’s Web page, or how a message is instantly routed from, say, the company’s Web servers to thousands of cell phones throughout the world. Recently, NASA’s Jet Propulsion Labo­ratory updated nearly 10,000 people (or “followers,” in the Twitter patois) during the Phoenix Mars lander’s “seven ­minutes of ­terror” as it descended to the Martian atmosphere.

The main work space at Twitter is dominated by what is essentially one long desk with people working on both sides. Usually programmers sit quietly at their workstations, but occasionally there’s a flurry of activity.

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Tagged: Business, Twitter, social networking, Web 2.0, Evan Williams

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