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How Signal walks the line between anarchism and pragmatism
(www.wired.com)
This is a most excellent place for technology news and articles.
Because you want to use it to talk to your friends, who know who you are anyway? I don't get this need to wipe yourself completely from the face of the Earth.
IMO the issue with Signal's lack of anonymity isn't that your friends know who you are; it's that Signal itself can build a graph of everybody's contacts.