(FILES) In this file photo taken on September 19, 2018 Amazon and Blue Origin founder Jeff Bezos provides the keynote address at the Air Force Association’s Annual Air, Space & Cyber Conference in Oxen Hill, Maryland. – Amazon founder Jeff Bezos, rated the world’s wealthiest person, announced on January 9, 2019 on Twitter that he and his wife Mackenzie Bezos were divorcing after a long separation. “We want to make people aware of a development in our lives,” Jeff Bezos, 54, and MacKenzie Bezos, 48, said in joint statement posted to Bezos’ Twitter feed. (Photo by Jim WATSON / AFP)