When You JailBreak an iPhone, Where can you obtain the 3rd P

After you jailbreak your iPhone, what's next?<br /><br />http://ezinearticles.com/?Jailbreak-Software---Is-It-Legal?&id=4925811<br /><br />http://www.buzzle.com/articles/top3-jailbreak-software-packages-for-iphones.html