Overview

• WhatsApp has introduced a new feature that allows voice messages to disappear after they have been listened to once.
• The disappearing voice messages feature is an extension of the 'View Once' option that was previously introduced for photos and videos.
• WhatsApp suggests the feature could be used for sharing sensitive information, such as credit card details, that the sender does not want to be retained in digital form.
• The feature is rolling out globally over the next few days.
• WhatsApp has been introducing a series of privacy-focused changes, including end-to-end encryption in Messenger and encryption for WhatsApp chat backups.