Forbes 2015 Billionaires List: Bill Gates is world's richest person again
Forbes 2015 Billionaires List: Bill Gates is world's richest person again
Forbes 2015 Billionaires List, Forbes Rich List 2015, 2015 Forbes List of World Billionaires, 2015 Forbes Billionaires List Out, Forbes' 2015 World's Billionaires ListBill Gates has been declared the richest man in the world for the 16th time by Forbes magazin...