Tons of different things, from changing the way it looks with themes and the way it runs with tweaks.
No it is not illegal to jailbreak your iPod touch I did it once and I'm fine but do it right cuz it makes your iPod slow if you do it
How to jailbreak my iPod touch
to jailbreak your iPod 4.1 go to greenpois0n.com
No. Your jailbreak will remain as it is. Syncing your iPod does not alter the jailbreak in any way.
to jailbreak your ipod 4.1 go to greenpois0n.com
No but you can jailbreak an iphone or ipod touch but they each have different sites to jailbreak your ipod/iphone
what do you mean once it jailbroke... ...it jailbroke unless you tern it off or it runs out of battery then you will have to re-jailbreak or if you uninstall the program
no sadly you cannot jailbreak ipod nano's you can only jailbreak ipod touch, iphone, and ipad.
NO, it's actually better to have an older ipod to jailbreak it because it takes months for hackers to make a jailbreak for new ipod firmware.
Then you probably didn't follow all of the directions. Reset you iPod, follow the limera1n jailbreak directions once again, and then the limera1n app should show up on your home screen
There is no requirement to jailbreak your ipod, in fact it will invalidate any warranty you have.
no, to get a newer jailbreak you have to restore the ipod touch and then update the ipod touch and then download the jailbreak. that is a huge con for jailbreaking.