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Comcast reluctantly agrees to stop its misleading “10G Network” claims
(arstechnica.com)
This is a most excellent place for technology news and articles.
4G LTE was the point of no return. It was supposed to mean "it's not 4G yet but we have an upgrade plan to get there", but when they finally did, marketing found out that to the average person, going from 4G LTE to 4G sounded like a downgrade, so they rebranded it to 5G.