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Tech Revival Strengthens San Francisco Economy

SAN FRANCISCO—San Francisco is enjoying a renaissance as a technology center, as numerous Web and digital-media companies move in or expand in a burst of economic activity not seen since the dot-com boom of the 1990s.

Software engineer Robby Obaya with his dog Ginger in the Farmville wing of the Zynga Game Network offices in San Francisco.

While there has long been plenty of high-tech ferment 30 miles to the south in Silicon Valley, San Francisco itself has traditionally been the region's finance and cultural center rather than a tech magnet. Now, the city is seeing growth from start-ups such as micro-blogging service Twitter Inc. and social-gaming company Zynga Game Network Inc.

Late last month, Zynga announced a seven-year lease for a 270,000-square-foot space in the South of Market neighborhood, one of San Francisco's biggest commercial-rental deals in years.



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