Klaus Holse Andersen, Microsoft vice president for Western Europe, says a year ago, Microsoft had to go around knocking on the doors of small businesses to sell its Web-based product.

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One key differentiator in dieting programs is convenience, says Erik Larsen, CEO of Next Advisor, a Web-based product and service review hub which also runs its own research on diet programs.

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Instead of the usual one-size-fits-all approach, its Web-based SmartSuite product allows employees to customize their health care plans.

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Microsoft recently launched Office 365, a web-based productivity software product, to mark an entry into the fast-growing cloud-computing space.

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Like Salesforce.com , RightNow aimed to sell its customer relationship management (CRM) software as a low-maintenance, Web-based service, not a shrink-wrapped product.

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So, why not change it to a community based web site with an on-demand book product instead of a magazine?

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Google's web app still lacks some of the functionality that its Android-based product features - such as indoor and 3D maps, and turn-by-turn directions - giving the firm an opportunity to promote devices powered by its own system over Apple's.

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Potential targets for acquisition include Moveable Type, a software-based Web-log service, and Radio Userland, another desktop software product used for publishing Web logs produced by privately held UserLand Software of Acton, Mass.

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