Facebook today released Poke, a standalone app for iPhone that allows users to use its famous Poke feature or send messages, photos or video to their friends for a designated period of time.
Messages expire after a specific time users set, either 1, 3, 5 or 10 seconds. After that, the content is removed from the app. This feature is similar to Snapchat, a popular mobile app that lets users communicate with photos and videos that disappear after being viewed. Also