Editors' Note: Jailbreaking and/or unlocking your Apple idevices will void your warranty. It is a complex process and is recommended for experienced, technologically savvy users. If you unlock or jailbreak your iOS device, you're doing so at your own risk. CBS Interactive does not accept any responsibility for any problem that may arise.
JailbreakMe is the easiest way to free your device. Experience iOS as it could be, fully customizable, themeable, and with every tweak you could possibly imagine.
Safe and completely reversible (just restore in iTunes), jailbreaking gives you control over the device you own. It only takes a minute or two, and as always, it's completely free.
Please make an iTunes backup before jailbreaking.