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Sina is a Chinese technology company. Sina operates four major business lines: Sina Weibo, Sina Mobile, Sina Online, and Sinanet.

What’s a portal for in the mobile age? Sina searches its soul

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Did Sina just introduce — and then kill — an anonymous news reporting platform?

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In Chinese Video War, Sina Buys, Tencent Builds

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Sina Flaunts Its Microblog Growth In Times Square

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Baidu Shuts Its Microblog Service, Handing Victory To Sina

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Google Partners With Sina On Chinese Search, Ads And News

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