If you haven't heard of JailbreakMe by now, you may be living under a rock. One thing you're definitely not doing is flying in a plane, because a video has surfaced that shows an iPhone 4 being jailbroken with JailbreakMe.com from 20,000 up in the air.
The cool thing about JailbreakMe is that it allows you to jailbreak an iDevice in Safari on the device itself. All you need is an internet connection and a few seconds to let Cydia install. And thanks to the availability of internet access on most commercial airlines, we bring you JailbreakMe on a plane...