Americans are heading into 2026 ready to spend aggressively on self-improvement, with surveys showing typical plans around $4,700 for everything from fitness to debt payoff. I want to argue that most ...
Marchetti’s Constant is the idea that throughout human history, from cave dwellers to ancient Greeks to 21st century Londoners, people tend to commute for about an hour a day — 30 minutes out, 30 ...