This bias toward youth often translates into an ageism that is often understood but not overtly spoken. Except by Facebook CEO Mark Zuckerberg, who noted at a Y

This bias toward youth often translates into an ageism that is often understood but not overtly spoken. Except by Facebook CEO Mark Zuckerberg, who noted at a Y Combinator event: "I want to stress the importance of being young and technical. Young people are just smarter. Why are most chess masters under 30?" It's very simple, Mark. It's because people over 30 realize there are bigger and more important things in life than playing chess.