Messaging app Signal finally rolls out usernames in beta, letting users conceal their phone numbers; Signal still requires inputting a phone number to register (Andy Greenberg/Wired)

Andy Greenberg / Wired:

Messaging app Signal finally rolls out usernames in beta, letting users conceal their phone numbers; Signal still requires inputting a phone number to register  —  We tested the end-to-end encrypted messenger's new feature aimed at addressing critics' most persistent complaint.  Here's how it works.

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