User blog comment:TheGermanicCanadian/Q&A because I want to hit it before it gets overused/@comment-32919735-20200229180556/@comment-35397985-20200229192101

"The question mark "?" is a punctuation mark that indicates an interrogative clause or phrase in many languages. The question mark is not used for indirect questions. The question mark glyph is also often used in place of missing or unknown data. In Unicode, it is encoded at U+003F"