[...] Like economic returns from Bay Area tech companies today, human enhancement technologies of the future will not be evenly distributed. If we’re now exercised over how the rich get privileged access to airline seats, imagine the reaction from le menu peuple when they see the callow Jared Kushners of tomorrow get brain upgrades while being infused with teenaged blood. Perhaps this explains why some of the United States’s wealthiest people are prepping for the day when the pitchforks come out — a veritable bonfire of the vainglorious — and they retreat to their converted ICBM silos and island compounds.