6- people with @ in front of their name are moderators. They can kick you out of a chat room if you misbehave, or even ban you from the chat room for ever.
(This is the major difference between IRC and kindergarten chat programs like MSN)
7- if you are to meet few of your team members for a meeting in a chat room, say in #senecaand you find out it is very crowded and busy... you can create temporary chat rooms by simply /join #A_NonExistantRoomName
and you find out it is very crowded and busy... you can create temporary chat rooms by simply /join #A_NonExistantRoomName 8- if you are talking about a program you wrote and want to show it to your friends use the http://pastebin.ca website to copy the text and post it, then copy the url and put pass the usl also, if you have a very long URL and want to give it to others, do this: use http://tinyurl.com /to copy your url and make is small.... that is too long to be pasted here, so I put it in the tinyurl.com and in return it gave me : http://tinyurl.com/201027log when you click on the short url, tinyurl.com will redirct you to the long one :)