Americans used instant messaging software

What are they?

Should use msn, icq it's MSN (Windows Live Messenger) V8.5 Simplified Chinese version of the
Microsoft (MicroSoft) production companies real-time communication (IM) tool:1.to support the text, picture and the expression of multi-media video voice chat 2.with Yahoo (Yahoo Messager!) Internet Internet 3.MSN mobile phones with wireless chat 4.The use of e-mail account login, account numbers, I do not have to remember that all of MSN, this seems quite popular ah