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AT&T sues Broadcom for refusing to renew perpetual license support
(arstechnica.com)
This is a most excellent place for technology news and articles.
Perpetual licences have their place, like I'm reasonably confident under the hood you have a perpetual licences for the OS your phone runs on. The point isn't to get a piece of software that will be updated and supported forever, it's to get something that works, fits your needs, and that you know can't just be revoked at the whim of another. Problem is that last one is becoming increasingly untrue.