Official Hewlett-Packard site - Buy or learn about HP printers, laptops, computers, digital cameras, servers, storage, networking, software, enterprise solutions and more.

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著名IT技术门户，提供最热门的业界资讯，IT培训资讯，IT专家技术，交流社区。

ITworld delivers strategic analysis, best practices, news and product information to better inform IT professionals on today's leading tech topics.

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IDG, the world´s leading technology media, research and event company, reaches more than 140 million technology buyers in 85 countries representing 95% of worldwide IT spending.

Serving chief information officers and other IT leaders, CIO.com, CIO magazine, CIO Executive Programs, CIO Custom Solutions Group and the CIO Executive Council are produced by CXO Media, an award-winning business unit of International Data Group.