Which of Microsoft's top rivals will be most dangerous in 2011?

You don't get to $60 billion without making a few enemies

Is there a technology company in the world with more rivals than Microsoft? The unbelievable lucrative Windows and Microsoft Office products would be enough to sustain most vendors, but Redmond has always wanted to be a player in just about every technology market that exists: databases, cloud computing, e-mail, search, virtualization, unified communications, Web browsers, mobile phones and tablets, even video games.

It is a common game to predict the demise of Microsoft. Yet, with few exceptions, quarter after quarter, the company delivers more revenue than the year before. Is it even possible for another competitor to knock Microsoft from its mighty perch? My colleague Jon Brodkin has analyzed Microsoft's biggest rivals and come up with an ultimate list of 12 who are trying their hardest to best Redmon. Which one will be the most dangerous in 2011? Is there an upstart on the list we overlooked? (See story: Microsoft's Biggest Rivals)

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Copyright © 2011 IDG Communications, Inc.

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