In these "rooms" you will see a lot of acronyms used; to decipher them you can visit: Results?
search Text=yw Another place you can find acronyms and more is at people have a decent "Profile" about themselves in these programs.
For example, "will" and "wi II" can look identical depending on the font being used.
And hey, DO NOT take any of the chatter seriously!!
Skype: from FANTASTIC audio, VERY good video, file transfer, whiteboard, profile) ONE big problem with Skype: be warned!