Categories Articles The world’s richest 500 people got way richer in 2019. Here are 15 other things that have changed for billionaires in the past year. Post author By crystalg Post date December 30, 2019 Business Insider Feedburner Tags 2019, Billionaires, Changed, Here, past, people, Richer, Richest, Things, World's, year ← How a Surfing Trip Evolved Into a Business With a 9-Digit Valuation → Study: Deforestation ‘Hugely Overrated’ As Threat To Environment