iPhone 5 features hinted at WWDC

Something recently noticed going through the keynote of Steve Job's keynote at WWDC 2011 was, well see if you can spot it.

 
  ye, did u spot it?
right under Accessible input for mobility.
LED flash on incoming calls and alerts.
Now the iPhone 4 couldnt support this even through a software update and would have to have new hardware supported for and LED flash to be incorporated into the phone.

source-techno buffalo