Kalau darurat di suatu tempat ga ada YM, bisa pakai yang Web Based. Ada di Meebo ini. Selain YM, di sini juga ada untuk AIM, ICQ, Jabber, GTalk, dan MSN. Here's they introduction:

We’re three folks working to bring IM to Web 2.0. Hopefully this lets you get all of your IMing done in one place and makes it easier too.