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 one of the circles is larger. The video supposedly had annotations (before YouTube removed them) urging the viewer to turn up their volume and move closer to the screen. 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