AI Summary

WhatsApp is introducing a change that will allow users to identify one another by username rather than phone number. This shift aims to address a privacy concern that has been present in the app's design. The current system, which ties user identities to their phone numbers, has been criticized for potentially exposing users' personal information. By allowing users to choose a username, WhatsApp is attempting to mitigate this risk. The change is significant because it addresses a long-standing issue with the app's design, but its broader implications are not yet clear.

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