When Harvey Ross Ball was hired by an insurance company in 1963 to create a morale-boosting icon for its employees, he whipped up a yellow-and-black smiley face with a wide, dimpled grin. He was paid $45 for his 10 minutes of work.

"I made a circle with a smile for a mouth on yellow paper, because it was sunshiny and bright," the late graphic designer from Worcester, Massachusetts later told the Associated Press.