Oh my gosh, that's awesome! How has that not caught on yet?
I ask the same question about the interrobang. If there is a secret order for the Interrobang, I'm SO joining it. The interrobang is like the best thing to ever happen to the english language. Unfortunately, no one teaches it, and it's not easy to make on a computer. Basically, it's used in exclamatory questions, along the lines of, "She did
what?!". But instead of using "?!" you would combine the two punctuation marks to make the interrobang. Why it's been erased from the english language I'll never know. I'm almost tempted to slip a reference to it TSL if I can convince the team do that... But it's probably not going to happen, as much as I'd like it to...