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Nvidia bans using translation layers for CUDA software
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
You could argue corporate lobbying has molded copyright for profit's sake (e.g. we can thank Disney for copyright lasting an unreasonably long time) but that's not all copyright does. Copyleft is a hack of copyright that lets people use software/media created by another but legally compels you to share it under the same license - meaning a greedy corporation can't just take your work and not share back.