The role of a research team is to always experiment new ways and then that he diffuse the results and the path to get there with the goal of the greatest diffusion. In that sence the work of a professor can be only “copyleft “, which does not mean that the copier must not quote the original idea, ethical question, but also because otherwise the copy constitue a plagiarism. The way of diffusion of the results of the work, depending of commercial consideration, may impose copyrights. To build our research we attempt to use a maximum of reusable resources freely (which do not always mean free of charge) for the largest diffusion. But always the solution free of charge (or with very low cost) will be prefered, because it is the most easily reproductible solution, in developing countries, small size companies and even by high cost models. The real value is in the adquired of a know how and it is always possible to contract this know how to accelerate the efficiency of the diffusion, self learning is more time consuming (otherwise why school and universities?). Being copyleft is also considering the Social Responsibility of the research, otherwise why sponsoring research activity with public or private funds?
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