 It may seem as though public announcements always “succeed”, by which we mean that after something is announced, we are guaranteed that that it is true. After all, this is often the purpose of an announcement: by making the announcement, we wish to inform everyone of its truth. However, it is not hard to come up with announcements that are true when announced but false afterward; that is, not all announcements are successful. Here are a few everyday examples in plain English. 