I was amused by a podcast I listened to where some guy delivered donuts and a pay on the honor system coffee can. He found that drawing a pair of obviously fak

I was amused by a podcast I listened to where some guy delivered donuts and a pay on the honor system coffee can. He found that drawing a pair of obviously fake eyes on the collection box significantly increased the amount of money he received per donut. So apparently even humans are sensitive to obviously fake eyes.