Cool optical illusions
TELL ME WHAT YOU THINK OF THE LAST ONE!!!

I thought this was very cool. Check it out!!!
BE SURE AND DO THE LAST ONE, IT IS MOST AMAZING OF ALL!!!!!!!!!

Are the purple lines straight or bent?

Do you see gray areas in between the squares?
Now where did they come from?

You should see a man's face and also a word...
Hint: Try tilting your head to the right, the world begins with 'L'