WhatsApp has rolled out significant updates that enhance user privacy, particularly with the introduction of usernames, allowing users to connect without sharing their phone numbers. This feature mirrors options available on other messaging platforms like Signal and Telegram. Additionally, WhatsApp is expanding its disappearing message capabilities, now testing a feature that allows text messages to vanish after being opened, similar to its existing 'view once' feature for photos and videos. This move comes as Apple prepares to implement fully encrypted Rich Communication Services (RCS) messaging on iPhones, which, while improving traditional texting, does not match WhatsApp's privacy benefits. Critics, however, point out ongoing concerns regarding backup security, suggesting that many messages may still be vulnerable when stored on cloud servers. With these updates, WhatsApp is positioning itself as a privacy-first alternative in the increasingly competitive messaging market.