Bill Gates pens letter to Buffett on 10 yrs of $30 bn 'gift'
Bill and Melinda Gates have shared a letter they wrote to Warren Buffett to mark ten years since he donated $30 billion to their foundation. The letter shares the foundation's impact, and recollects an incident where meeting Bengaluru sex workers made Bill Gates cry. He also shared how Buffett used coupons to pay for a McDonald's meal in Hong Kong.