Jail-breaking an iPhone is illegal, but jail-breaking an iPod Touch is not.
no
Yes you can get viruses
Yes .. Because you are allowing a virus into your iPod and it allows your iPod to be slow.
Jail breaking an iPod allow a user to be fully able to customize their device, unlocking the ability to download several different 3rd party apps and programs. Jail breaking the iPod will void the warranty.
You can basically get free apps and get cool springboards.
Jail breaking means that you don't have any limits, you can customize, your IPod and etc.
By using Installouos from jail breaking your device
You can't :D The closest to that is jail breaking !(:
If you jailbreak you ipod you can get paid apps for free and no it is not legal.
the disadvantages of jail breaking your iPod is it voids you warranty, and what i found was after a while it will make you iPod slower. if you decide to undo the jail braking it will take 30 to 60 secs to unlock
I suggest you update it Jail breaking is illegal and having update has a bunch new features that jailbreak doesn't so I suggest you update it. P.S- Jail breaking makes your Ipod really slow.