[water]

Probably when you're using someone else's computer and don't want to install msn or msn is already in use.

what's the point of using it @@
那是什麼東西...............

it's a web based version of msn..no instalations reqired..
i use it in school where we cant install msn..
and where i have 2 hrs of break every tuesday and 1 hr of break every thursday~XD