In 2002, a young Mark Zuckerberg sat in his childhood bedroom and opened his Harvard acceptance letter. Filmed by his father, the home video captures a quiet moment: a soft-spoken teen barely reacting, whispering, “Yay. I got accepted,” as his dad cheers behind the camera. But this wasn’t just any acceptance—it marked the beginning of what would become one of the most influential tech empires in history. Fifteen years later, in 2017, Mark shared the touching clip before returning to Harvard to d