The total wealth of billionaires fell to $12.7 trillion this year, down from a record $13.1 trillion in 2021. Post navigation The Margin: Bill Gates’s 5 books for summer ‘sound pretty heavy,’ but they’re great reads, he says : ‘My wife and I, and our employees will be on our hands and knees, scrubbing toilets and sinks and bathtubs and showers’: Airbnb hosts brace for a busy summer season