It would be good if teachers could genuinely understand that black English is not mistakes, it's just different English, and that what you want to do is add an additional dialect to black students' repertoire rather than teaching them out of what's thought of as a bad habit, like sloppy posture or chewing with your mouth open.

'LOL' is one of several texting expressions that convey nuance in a system where you don't have the voice and face to do it the way you normally would.

Texting is fingered speech. Now we can write the way we talk.

John McWhorter Quotes