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Today\'s proprietary software companies can\'t afford to make the same mistakes. New business models have already made their mark on the software industry, and the changes are here to stay. The days when vendors could get by on vendor lock-in, lack of interoperability, and other protectionist tactics are drawing to a close. The call for a new relationship between customers and software makers is loud and clear, and the industry has no choice but to respond and adapt.

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