Sri Lanka, Oct. 28 -- WhatsApp is testing a major privacy update that could let users communicate via unique usernames rather than phone numbers. For Sri Lankans relying on the app for work, school, and community life, the change promises protection against spam, phishing, and unwanted contacts. As usernames emerge, users can expect a shift toward more private, identity-based communication, though challenges like impersonation and name-squatting may follow.

"By allowing unique usernames, WhatsApp could finally let users hide their phone numbers, reducing unwanted group invitations, spam, and phishing, while giving professionals, students, and small business owners more control over personal privacy."

Many WhatsApp users have experience...