OpeniBoot brings Android to iPad, iPhone 4, and iPod Touch
If you're unfamiliar with such programs, all you need to know is that they are open source implementation programs that allow your iOS device to load an unsigned kernel, like Android, to your device. Once you have loaded such a program, you will still have the option to load the original OS. It basically makes your iOS device like a dual-booting computer. OpeniBoot isn't yet available for your newer iOS devices, but judging from the video, it should be along shortly.
FCC OKs Cingular\'s purchase of AT&T Wireless
Things that are NOT allowed: