Last year, Elon Musk announced that Japanese millionaire Yusaku Maezawa would be the first passenger to fly around the moon with SpaceX. Now, Maezawa is back in the headlines as the person who has set the world record for the most retweeted tweet. The previous record was held by Carter Wilkerson, a US teen with 3.5 million retweets. Business Insider reports that a tweet by Maezawa has racked up more than 4.5 million retweets, outpacing Wilkerson by more than a million. The post is a celebration of Maezawa's clothing company, Zozotown, making 10 billion yen in sales.

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