Now not only can have FaceTime on iPhone and iPod Touch 4G 4 but also on your Mac, using the camera on your Mac, as Apple has released a beta version FaceTime for Mac OS X .FaceTime for Mac is very simple, the application is very minimalist, but shows you your list of contacts on the right side and left the video of the other person you're talking about.
To start a video call FaceTime, Just find its entry in the list of contacts. FaceTime works seamlessly with Address Book, so you do not have to enter all the contacts. Click your phone number if you call your iPhone 4. To call your iPod touch or your Mac, use the email address. An invitation will appear on your screen. To accept the video call starts and you're chatting face to face instantly. From a Mac to an iPhone, iPod touch and Mac
FaceTime Mac is still in Beta so it may have some faults, for example I could not connect :-(
