iOS 5 Concept Faster App Switching ?

Less than 20 days from today, the city of San Francisco will see thousands of knowledge-hungry Mac and iOS firmware developers arriving from all parts of the globe to attend Apple's WWDC 2011 event, which may Steve Jobs announces the long awaited iOS 5 firmware. Ok let's see a quicker way to switch between apps feature which may Apple implement on the upcoming iOS 5.

Faster App Switching feature looks like Full Screen Switching seen in Mac OS X Lion. Anyway, all that are only speculations on iOS 5 features, and it's not officially confined so far.