WaSsUp wIt dAt?!!!!!!
I swear, AIM caused my little brother to regress in written English:
"1 more day till mah bdae!!! Wat it do!!! October 27th ya beezy!!!!!!! .....Mark on da 4th! Spinnin dem slaps!! ....Don on da 19th!...go win some in vegas!! .....Sarah on da 21st!...lets smoke a blunt!!! .....Cliff on da 25th! Birth month nygguh! .............n MINE ON DA 27!!!!!!!!............ Claim jumpers 9pm sharp!!! Holla at me!!!!"

Check out the NYTimes piece on this:
Kids and AIM