Billionaires have an outsized influence on the global economy, politics, and philanthropy. According to Forbes, there will be 2,668 billionaires around the globe in 2022. The wealthiest of them belong to an even more exclusive club and wield even more power. Many of these billionaires are the founders of technology behemoths, and a sizable percentage of their fortune remains invested in the companies they built. They can, however, borrow against their wealth in order to postpone selling stock, so delaying (or eliminating for heirs) taxes on unrealized capital gains. Multi-billionaires can also employ various tax deductions to offset reported income,