Apple ipod

What features come with the iPhone OS 4.0 for the iPod touch second generation?

I know that multitasking is a feature according to Apple, could not be accomplished with the people second material. Are there more features that come with the new operating system does not work in the second generation iPod touch?

For all we know only multitasking "The second generation iPod touch will not be able to do things like multitasking" work – Steve is known to be stripped of most of multitasking, but other features not know

iPhone OS 4.0 Features Leaked