In the off chance that you’re not already running the leaked iOS 4 gold master and haven’t been pounding the iTunes update button all morning, we figured you’d probably like to know: iOS 4 is now available for iPhones and iPod Touches.

I could blather on about the new features, like multi-tasking, folders, wallpapers, digital zoom in the camera, and more — but you’ve probably already heard it all already. Want some tips and tricks? Find ours here.