BizSugar.com › Self-Development › How A Carpenter\'s Hard Work Paid For 33 Strangers\' College Education

Back in 2010, Bill Gates and Warren Buffet launched The Giving Pledge: a campaign that urges wealthy people to give a big portion of their wealth to charitable causes. Up to date, 204 people had signed the pledge — most of them billionaires. The pledges amount to over $500 billion.