Several
The "generation" label refers to the version of hardware you have. iTunes will update the software on your iPod to the latest version. Gen 2 Ipod Touch also has volume buttons on the outside, as well as a speaker and the ability to use APPS from the Apple Store.
The I-pod touch has a touch screen.
Apple has not yet release and iPod Touch 5th Generation. The latest addition to the iPod Touch was a White coloured model.
The ipod touch and the ipad are the same except the ipad is bigger than the ipod.
an Itouch has a touch screen and a ipod does
The ipod 5 is longer and u can pick a color for the back.
Go to this http://en.wikipedia.org/wiki/IPod_Touch
There is none. iPod Touch 3G IS third generation.
Storage capacity is the only difference.
Memory capacity. Software capabilities .
Ipod touch is bigger (in physcial size), is newer so it has more features, and it is just one big touch screen.
It depends on what iPod it is because ther is more than 25 diff. Ones an iPod touch is a touch screen. With ether 8 gb or16 or 36 or 64