Instant Messaging/Chat Acronyms
I visited a few sites and got their collections of IM acronyms and used copy and paste to emphasize acronyms that parents should know about when watching their kids use IM. I then used Wordle to do a visualization.
Some acronym sites:
Netlingo Graphic language here.
Add notes to identify the acronyms if you like - let's skip the really rude ones though.