Fascinating.

OMG, when did we start talking like txt msgs?
One possibility, Kiesling proposes, is that some of these acronyms actually become a whole new thought, expressing something different than the words that form them. For example: “You wouldn’t say, `OMG, that person just jumped off a cliff,'” he explains. “But you’d say, `OMG, do you see those red pants that person is wearing?'”