No. They are different. The iPod touch 4 screen has more pixels so the iPod touch 3 won't support it.
no because the ipod touch 4 is a newer version
No.
no.
iBooks if available on 2nd, 3rd and 4th generation iPod touch with the iOS 4.0 update or higher. Since 1st generation does not support iOS 4, iBooks is not supported for 1st generation iPod touch.
there are 4 generations of the ipod touch
Assuming you have at least a 2nd generation iPod Touch (1st generation iPod Touches do not support iOS 4.) simply plug your iPod Touch into your computer and open iTunes. You will be automatically prompted to update your iPod Touch. If not, find your iPod on the left hand side. Click your iPod and your iPod's information will open. Click the button labelled "Check for updates" and your iPod Touch will be automatically updated to the latest iOS version.
No, there is not a 4 gigabyte iPod Touch. The iPod Shuffle comes in a 4 gigabyte capacity, and is the only iPod that does have that capacity.
Yes
2cd generation 64gb ipod touch for 400 dollars
Apple has not yet release and iPod Touch 5th Generation. The latest addition to the iPod Touch was a White coloured model.
im trying to find out the same thing for my new ipod touch. it says it doesnt work for 4.3.4 and i have been told it works for anything before version 4