I work with people who have worked on various classified projects in years past. Once in a while someone will mention something about the project they read in a

I work with people who have worked on various classified projects in years past. Once in a while someone will mention something about the project they read in a newspaper and they have to say "It is obviously unclassified now but because I wasn't explicitly told that is was no longer classified I am not allowed to talk about it" - then they change the subject.