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Slashdot News for nerds, stuff that matters WhatsApp Usernames Are Already Raising Impersonation Red Flags Jul 2nd 2026, 16:00 by BeauHD An anonymous reader quotes a report from TechCrunch: WhatsApp this week started rolling out username reservations ahead of the broader launch planned later this year. The feature -- which lets people find and message each other by handle instead of phone number -- is ...