LED notifications in 4S

[knck out]

Sorry if this has been posted before, delete if it has

anyways just wanted to share a quick thing i noticed

if you go to: Settings > General > Accessibility, and turn on "LED flash for alerts"
led on the back will actually flash rapidly 2 times when u get a notification!

 

[iBreatheApple]

It's an iOS 5 feature.