Mark Zuckerberg's birthday party pics show Bill Gates in shorts

Meta CEO Mark Zuckerberg, who turned 40 on May 14, took to Instagram to share pictures from his birthday party. One of the pictures showed Microsoft Co-founder Bill Gates posing with Zuckerberg in a recreated Harvard dorm where Zuckerberg launched Facebook. "Grateful that people travelled from all around the world to celebrate with me," Zuckerberg wrote on Instagram.