WhatsApp recently rolled out the view once feature for its Android beta users. This feature allows them to send photos and videos as disappearing messages that get destroyed after being seen once.
Whatsapp says there are chances that it is going to start the same features for IOS users soon. Along with this the messaging platform owned by Facebook have started rolling out the view once feature for both the web and desktop users.
The view once feature is available at the latest WhatsApp version 2.2126.11 for both web and desktop users. As this feature is rolled out in a phased manner, so if you don't find your photos and videos disappearing you have to wait for few more days..