When 2 or more people use their facebook status updates and status comments to chat, instead of using facebook instant messages, MSN, or any other form of instant messaging.
Jim: Is wondering when the party is
Jack comment : 9:30 man, see you there
Jim Comment: Oh sweet, didnt know you were going
Jack Comment: Yeah i wasnt till just now
Jim Comment. Cool. Its been a while man, how are you?
Jack Comment: Good, but lets use MSN, we dont want this to turn into a status chat.