Some helpfull secrets brought to you by Shadow Unit Head Councel.
Ivisible nickname: When typing your nickname hold down "ALT" then type 0160 (must be done with # pad) then let go of "Alt" and press ok button. your nickname will be blank now.
"Type these codes while in conversation with someone else on MSN:
(!IP) Ip address
(!N) other persons name
(!M) other persons e-mail address