Forbes releases their annual billionaires list and Kylie Jenner makes her way to the "Top 8 Under 30" list. The 21-year-old is named the world's youngest self-made billionaire ever. Amazon CEO Jeff Bezos remains the richest person in the world for the second year in a row, followed by Bill Gates. Jennifer Wang, deputy editor of wealth at Forbes, discusses the regions that didn't make a big presence on the list and how the number of women billionaires has changed over the years.