> The 20 year-old version of Mark Zuckerberg beats the 20 year-old version of me every time. Why are you so sure about that? Has anybody ever observed all the

> The 20 year-old version of Mark Zuckerberg beats the 20 year-old version of me every time. Why are you so sure about that? Has anybody ever observed all the Mark Zuckerbergs that didn't make it? This situation is a classic hindsight bias problem.