Sure, the iPhone 3G and second-gen iPod Touch support iOS 4, but they don’t have enable multitasking, one of the OS’s biggest new features. But before you start crying into your pillow, enterprising hackers have found a way to enable the multitasking on these devices (as is the usual case with these sort of things). Lifehacker’s compiled a great guide to doing it that seems relatively simple. And if you’re worried that it will slow down your device to unusable levels, users who have done the hack report that their iPhones and iPods are as fast, if not slightly faster, than before. So take the plunge if you dare.