There are plenty of reasons to jailbreak your iPhone, the new Cydia, an unsanctioned app store. You can get all the apps that were banned my Apple, interface enhancements and skins, customize sounds,FaceTime over 3G, Free hotspot internet tethering. Get it with the new PwnageTool 2.0.1

There are two types of jailbreaks: tethered and untethered. This jailbreak is a tethered jailbreak and is in the very early stages. There is a handy guide at Redmond Pie that will take you step by step through the process. In addition to a Mac, you will also need the following:

PwnageTool 4.2

Universal Ramdisk Fixer

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