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Open source promotes more flexibility and control over how the application is installed, customized and used. On-demand gives users the ability to use CRM software without installing any IT in house. The big difference is that many current On-demand services are often more proprietary than traditional software. Customers have no control over their experience, their company data, back-ups, upgrades, customizations. So these two trends are converging. Open source is becoming the basis of next generation SaaS architectures which mean they will be more open and less restrictive.
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