The messages expire after a set period of time , from 1 to 10 seconds , and can not be retrieved by either party again . Facebook has released a new , free app for iOS called Facebook Poke . It lets users discreetly send text , photos and videos that are deleted in a few minutes . The new app is inspired by the Snapchat app , which is often used to send sexual images .
Facebook has released a new , free app for iOS called Facebook Poke . It lets users discreetly send text , photos and videos that are deleted in a few minutes . The new app is inspired by the Snapchat app , which is often used to send sexual images .