Applications to become Japanese billionaire Yusaku Maezawa's girlfriend have topped 20,000, streaming service AbemaTV said, ahead of its documentary on his search for a "life partner" to take on his moon voyage. Maezawa, who will be the first private passenger on Elon Musk's SpaceX, has already generated huge social media buzz with a $9 million giveaway to his followers that secured his position as Japan's foremost Twitter celebrity. According to ...