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1. proprietary software
Proprietary software is software that you are not free to use, copy, modify, and study as you like. It's a form of abuse of users, which sucks and makes people depressed; it gives suits power over creatives.
Skype is extremely proprietary software.
2. proprietary software
Software that is not free software or semi-free software (the same thing as free software except that it can only be used for non-profit things).
Windows is an example of proprietary software.
by a thing Jun 11, 2005 share this add a video
3. proprietary software
Something said to be evil, yet nobody knows why.
Software developed by Microsoft is proprietary software, so it's evil.