Our peer-to-peer software partners, XFire updated now to version 1.45—XFire now includes a very highly requested feature Blocking usernames, more download sources, improved voice activation in voice chat, and much more. Read the Release Notes.  If you have XFire, just launch it and it will auto-update.  If you have never used XFire, and wish to give it a try download it.  You may chat with your friends and keep track of what game they are playing.  With a button click you can join their game server, and use voice chat.  You can toggle XFire Chat window within World of Warcraft without going to desktop.