Most people understand that when sending a text message, through Messenger or pretty much any other messaging service, it stays out there until when and if the recipient decides to delete it. Apparently that is not the case for Mark Zuckerberg, however, who was able to delete some of his outbound communications in Messenger on the recipients’

Source: Hot Hardware – Facebook Secretly Deleted Zuckerberg’s Messenger Chats From Recipients’ Inboxes