Every year Forbes magazine publishes a list of the world's richest people, which generates interest and attention from all over the world. This list includes businessmen, investors, heirs to fortunes, and others who have achieved financial success through their entrepreneurial spirit and good fortune. In this video, we take a look at the 20 richest people in the world according to Forbes for this year and tell how they earned their fortunes. From industry tycoons to technology gurus, these people represent a variety of industries and countries, but one thing they have in common is their incredible success in achieving financial independence and global recognition.