Depending on one's perspective, a sentence ending with an interrobang either asks a question in an excited manner or expresses excitement or disbelief in the form of a question.
The Wall Street Journal deemed this punctuation “exactly right for when the question mark alone just isn’t adequate.” The interrobang can convey in print an attitude, curiosity, and wonder.
In 1966, Richard Isbell of American Type Founders issued the Americana typeface and included the interrobang as one of the characters. In 1968, an interrobang key was available on some Remington typewriters. During the 1970s, it was possible to buy replacement interrobang keycaps and strikers for some Smith-Corona typewriters. The interrobang was in vogue for much of the 1960s, with the word 'interrobang' appearing in some dictionaries and the mark itself being featured in magazine and newspaper articles.
