As the changing needs of users often outpace the implementation of more traditional infrastructure, it has been critical to leverage an open hardware blueprint model to accommodate continuous improvementof the system.

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Even Sir Mark Walport, the director of the Wellcome Trust and a fierce advocate of open-access publication, worries that a system based on the green model could become fragmented.

ECONOMIST: Academic journals face a radical shake-up

Google develops Android under an open-source licensing model, allowing device makers to tweak the operating system to fit their products.

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