Open source is now seen as a safe choice for large organizations; it's not merely relegated to implementations by small, cash-strapped companies, universities, and libraries. Many well-known organizations rely on open source software for search and content processing, giving FOSS (free and open source software) credibility. The author' hypothesis is that open source may be evolving into a traditional or proprietary software model -- and that includes some walled gardens. Evolution takes a long time. Google has become an interesting example of a company that talks about openness but uses proprietary systems and methods, the walled garden approach. One Google legacy is the blending of free and open source software, such as early versions of Android, with proprietary methods. But those who embrace open source software from Google can find themselves locked in the Google ecosystem. Amazon is also a company focused on proprietary systems and solutions. A number of companies are moving to the "winner take all" scenario that Damon addressed.
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