There is nothing that makes me crazier than getting a text message from an adult that looks like HTML code exploded on it: "OMG R U GNG 2 movies W US 2NITE?"And that was from a 34 year old. The text messages from teenagers are almost incomprehensible.
Before smartphones you only had 140 characters to get your message across and that led to a whole language of abbreviations like "OMG," "BRB," "LOL,"LTR," "BFF," and about ten thousand more. There are times I felt like a code cracker just trying to figure out what my friends where trying to tell me.