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The Disappearance of an Internet Domain
(every.to)
This is a most excellent place for technology news and articles.
I think .io will continue to exist as a generic tld
ICANN specifically set aside all two character TLDs to be for country specific codes. There's only a few cases where they kept ex countries TLDs around and phased them out over several years. It would be an entirely new precedent if they did keep it. So I wouldn't depend on it