WhatsApp has introduced advanced privacy features that allow users to control who can see their last seen status, profile photo, and about information. These updates aim to enhance user privacy and provide more options for managing visibility within the app. Additionally, WhatsApp emphasizes its commitment to user security with end-to-end encryption for messages.

The article discusses Twitter's new encrypted messaging feature, highlighting its potential impact on user privacy and communication security. It examines the challenges and implications of implementing encryption on a platform with a vast user base, as well as the broader context of encryption in social media.

Brosix and Chatox, two messaging platforms, failed to uphold their promises of secure communication, exposing users' chats to potential breaches. This raises concerns about the reliability of privacy assurances from messaging services.