Newbie Mac tip: If you have a fancy new MacBook or iMac with a built-in iSight camera, or you just have a video camera and want to try out video conferencing, but none of your friends have fancy new MacBooks or video cameras, you can perform a one-way video chat with your friends using iChat. To initiate a one-way video chat, control-click (or right-click) on your friend in the Buddy List, then select "Invite to One-Way Video Chat".