Open source is not dead and continues to provide a primary path for innovation. Cloud computing is one of the areas where programmers hope to overturn the Amazon headstart. The dream is to create an Android language that will create an ecosystem for services, software and infrastructure as a platform.
Their clear desire is to provide simple portability between all platforms. A reduction in the complexities dogging cloud computing and a wish to prevent the continuation of a dominant behemoth.
The sector will change and Amazon will become more flexible in response to that change. It is unlikely that Amazon will lose its capabilities in the near future.