The world's richest man, Elon Musk, has scented a new opportunity to capitalise on quirky products, launching a perfume called Burnt Hair that he said sold 10,000 bottles to earn a million dollars in just a few hours. "With a name like mine, getting into the fragrance business was inevitable – why did I even fight it for so long!?" Musk asked on Twitter, where he now describes himself as a perfume salesman. "The essence of repugnant desire" is the website description of his latest offering, which costs $100 a bottle and is set to start shipping in the first...