Bill gate says he does not own any cryptocurrency because he prefers investing his money “in things that have valuable output”. The Microsoft founder, who is the world’s fourth richest man with a personal wealth of $116bn, made the comments during an “Ask Me Anything” event on Reddit. “The value of companies is based on how they make great products,” Mr Gates wrote. “The value of crypto is just what some other person decides someone else will pay for it, so not adding to society like other in...