As of my last knowledge update in January 2022, Mark Zuckerberg had not returned to Harvard to complete his degree. Mark Zuckerberg famously dropped out of Harvard in 2004 to focus on developing Facebook, which became a massive success.
Please note that my information might be outdated, and I do not have access to real-time news updates. To find the most current information on whether Mark Zuckerberg has returned to Harvard to complete his degree or any other recent developments in his life, I recommend checking the latest news sources or conducting an online search.
