These vendors, large and small, are shaking up the status quo with their new products, approaches and models.
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Everything from Linux at the operating system level to open source databases, content management systems and application development tools have put downward pressure on software costs while putting the commercial vendors on their toes.
Google in the Enterprise SurveyThere's no doubt Google has made headway into businesses: Just 28 percent discourage or ban use of its productivity products, and 69 percent cite Google Apps' good or excellent mobility. But progress could still stall: 59 percent of nonusers distrust the security of Google's cloud. Its data privacy is an open question, and 37 percent worry about integration.