no because the ipod touch 4 is a newer version
no.
No.
there are 4 generations of the ipod touch
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
The iPod touch 4 is pretty much a version itself. It's the 4th and latest iPod touch in it's series. If you mean firmware, the latest out (as of 27th Dec 2010) is 4.2. To make my answer more helpful, can you please elaborate the answer further?
Apple has not yet release and iPod Touch 5th Generation. The latest addition to the iPod Touch was a White coloured model.
2cd generation 64gb ipod touch for 400 dollars
No, because the iPod touch 1st generation is incapable of running the software, so even if Apple did allow it, it would be very slow and make your iPod touch nearly useless.
You go to the apple store and buy one
Only the iPod Touch Gen 4 comes with a camera