It's a couple days later than we thought, but worth the wait; if you're running iOS 4.1, the GreenPois0n tool has been set loose for your jailbreaking pleasure. It's a Windows-only release for now—something they're hoping to correct "soon"—and supports iPad, iPhone 4, iPhone 3GS, and the third and fourth-gen iPod…
A few weeks ago, some jailbreakers devised an effective, if slightly daunting, way to force iPhone apps to fill the iPad's screen. Now, there's a jailbreak app that does the same, and the results are incredible.
So, you've heard about jailbreaking, and it sounds intriguing. And dangerous. (But mostly just intriguing.) Here's how to hack your iPhone, iPod Touch or iPad—yes, iPad—into an unrestricted, freshly empowered mega-machine.