17. Yellow Smiley Faces
Did you guess it? Yes! These cute yellow faces were a huge success, did you not know? But not for the inventor thought. In fact, he only made $45 dollars from it. in 1963 An American graphic artist Harvey Ross Ball designed something that we see everywhere today, but since he did it as a project, received one time payment (worth of about $330 today). Instead, Two brothers named Bernard and Murray Spain made fortune after they bought legal rights of it and started producing buttons, mugs, t-shirts and other stuff. in 2000, brothers sold the chain based on smiley face for half a billion dollars. Not bad for a cute, positive face, huh? Now, let’s move to a comfy idea that made one lucky dude a millionaire.