Follow the movement

Check this out! Damn cool illusion.. no dun worry this is not one of those tricks that scares u with a ugly ghost face while u are concentrating on it.. haha go ahead n give it a go and concentrate real hard! I managed to see the green dots n then the pink dots eventually disappears too! haha interesting...

http://www.patmedia.net/marklevinson/cool/cool_illusion.html