Elon Musk, the richest man in the world, is retweeting one by one with DogeCoin. Even a month ago, the price of dogecoin was much lower. Elon Musk has been re-tweeting since its price has been rising at a rocket speed. Yes Elon musk says doge coin are now on the moon. I also thought I would buy some doge coins. I think I can benefit.