Ac1dSn0w, a new jailbreak tool that was recently released and criticized for including copyright Apple code, has been updated to solve its legal issues.
Stefan Esser, also known as I0n1c, the hacker behind the iOS 4.3.1 untether has created an amazing presentation on the latest iOS jailbreak techniques.
These are instructions on how to jailbreak your iPod Touch 3G and iPod Touch 4G using Limera1n for Windows. Limera1n supports iOS 4.0, 4.0.1, 4.0.2, and 4.1.