The founder of Facebook, Meta's Mark Zuckerberg, has just jumped past Amazon's Jeff Bezos to become the world's second richest person. RELATED STORY | Meta says it will shut down its Workplace business app as it focuses on AIBloomberg's Billionaires index said with his 13% stake in Meta, Zuckerberg's net worth jumped an unbelievable $78 billion since the start of this year.Shares in the company closed out on a record high on Thursday at just under $583 per share, about a 68% jump.