No, the FaceTime application can't be used on a Mac, as with all apps. You can purchase FaceTime for Mac on the Mac App Store.
Yes you can. you can FaceTime with anyone has an iPod touch 4g IPhone 4 or anyone who has a mac or IMac with FaceTime downloaded.
You can use FaceTime on a Mac to chat with an iPod Touch (See links below).
iChat is not an available feature on the iPod Touch. There is facetime for the new iPod Touch (fourth generation), but iChat is strictly for Mac laptops and desktops.
Your facetime 'number' is either your cell phone number, or an email address. If you are on an IPhone, your cell number is used as your facetime number and facetime must be enabled. If you are on a mac based client or ipod touch, an email address is used.
No, not like video chat on your email. But of you have the iPod Touch 4th generation you can use FaceTime, which is pretty much video chatting but the other person must have an iPhone 4, the 4th gen iPod touch, or a newer Mac with the FaceTime application.
No, only the new iPod Touch 4G with the camera can do facetime.
no facetime is free!
Only the fourth generation iPod Touch has FaceTime. No other iPod Touch has FaceTime.
It is not possible to remove FaceTime.
Yes, FaceTime is free.
No. Only the 4th generation of the iPod Touch has FaceTime.
Facetime requires Mac OS X 10.6.6 or higher.