Zuckerberg wanted to build an online version for Harvard, but the school “kept on saying that there were all these reasons why they couldn’t aggregate this information,” he says. “I just wanted to show that it could be done.” So one night early in his sophomore year, he hacked into Harvard’s student records. He then threw up a basic site called Facemash, which randomly paired photos of undergraduates and invited visitors to determine which one was “hotter”