Chapter 21. iChat Somewhere between email and the telephone lies a unique communication tool calledinstant messaging. Plenty of instant messenger programs run on the Mac, but guess what? | Chapter 21. iChat Somewhere between email and the telephone lies a unique communication tool calledinstant messaging. Plenty of instant messenger programs run on the Mac but guess what You don t really need any of them. Mac OS X comes with its very own instant messenger program called iChat built right into the system and ready to connect to your friends on the AIM Jabber or Google Talk networks. To start up iChat go to Applications iChat or just click iChat s Dock icon. It looks like a blue speech balloon with a camcorder inside which is a clue to one of iChat s best and most substantially beefed-up Leopard features live video chats over the Internet. This chapter covers how to use iChat to communicate by video audio and text with your online pals. . Welcome to iChat iChat does five things very well Instant messaging. If you don t know what instant messaging is there s a teenager near you who does. It s like live email. You type messages in a chat window in real time and your friends type replies back to you. Instant messaging combines the privacy of email and the immediacy of the phone. In this regard iChat is a lot like AOL s popular Instant Messenger AIM and Buddy Chats. In fact iChat lets you type back and forth with any of AIM s 150 million members which is a huge advantage. It speaks the same chat language as AIM. But iChat s visual design is pure Apple. Free long distance. If your Mac has a microphone and so does your buddy the two of you can also chatout loud using the Internet as a free long-distance phone. Wait not just the two of you the10 of you thanks to iChat s party-line feature. Free videoconferencing. iChat s old name was iChat AV where AV stood for audio-video. In Leopard the program is just called iChat but its multimedia heritage remains. If you and your buddies each have broadband Internet connections and a camera like the one built into many Mac models or even a digital camcorder up to four participants can join in video chats all .