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.
get an authenticator
firewall
leave it until your ipod off then you charge it and it will be same as before your ipod hanged.
There are always hackers who are looking for ways to get into any exchange serve that they think they can access. You need to keep them out at all times, especially if this server is located at a business that you own. You can use a firewall to do this. It will automatically block people who do not have the right access codes. It can also block automated programs that hackers may have set up.
uncheck them in your itunes then sync your ipod. Then they should be on your itunes but not your ipod.
I can't hackers will keep macking more codes
Black Hat: Criminal Hackers White Hat: Authorized Hackers Grey Hat: “Just for Fun” Hackers Script Kiddies: Ametuer Hackers Green Hat: Hackers-in-Training Blue Hat: Authorized Software Hackers Red Hat: Government-Hired Hackers State/Nation Sponsored Hackers: International Threat Prevention
Either connection error or hackers
You plug your other ipod in when your old itunes account is up
Thats impossible if you keep the same iPod! 3g has no camera and 4g does. Buy a new iPod
Most electric health records are protected by anti-spy, anti-spam, anti-virus softwares that are used to deter the hackers. It is as reliable as the bank.