Japanese billionaire Yusaku Maezawa spent 12 days in space. Yusaku Maezawa/Instagram/Reuters Japanese billionaire Yusaku Maezawa returned to Earth on Monday after a 12-day trip to space. As promised, Maezawa started giving away money through a Japanese app the day before. It's just one of his numerous activities in space, including making YouTube videos and creating an NFT. Japanese billionaire Yusaku Maezawa is back on Earth after firing up a money-giving campaign from the International Space Station on Sunday. Maezawa, who made his fortune by founding the online retailer Zozo, announced in early December that he'd be giving away cash while