No, not really. That's what part of the page in the link says. Because it's often misunderstood in writing, and isn't supported by normal computer programs, it isn't used often at all. I wish I could change it, though. :/
I came across it in an odd way, actually. I was doodling and came up with this backwards question mark, had no idea what it meant. Before that, I often called myself the "queen of irony". XD HOW IRONIC!!
.... In 5 pages we went from Halloween to irony. XD