The best illusion ever

best illusion ever is a screamer video made by incenserd on June 16, 2007, the creator o Saw IIII preview.

The video displays an image of two circles and asks the viewer which of the circles is larger. After 20 seconds, a picture of Goblin's face briefly appears along with a loud scream. The video has received approximately 4,100,000 views as of today.

Link
NOTE : The following video contains a screamer!
 * youtube.com/watch?v=STjAsfqpsyo