iOS 4.3 multitouch gestures demoed on iPhone (video)

It looks like iOS 4.3 multitouch gestures are coming to both iPhone 4 and iPhone 3GS as some users could demo it in the current developer-only beta 2 of iOS 4.3.
Though we're not seeing this multitouch gestures on iPad in the public release of iOS 4.3, and we think it won't be hitting the iPhone as well. But does it look very handful to be available in iOS 5? check out the below video: