For those of you looking to make multitasking a little better on iOS, a new jailbreak tweak called InfinityTask
by iOS developer r_plus
might be right up your alley.
InfinityTask does two main things… first, it will make it so that applications are able to run in the background for longer than 10 minutes, and second, it will make it so you can easily render Web pages as a background process through either Mobile Safari or Google Chrome.
The ability to render Web pages