How to AirPlay Mirror your Mac screen to your Apple TV

[iMore.com]

Whether your Apple TV is in your living room, board room, or class room, you can easily use it to mirror or extend your Mac's display right onto your big screen HDTV. That includes presentations, games, and even FaceTime chats you want to share with everyone. And all you need is OS X's built-in AirPlay.

Full story from the iMore Blog...