Every so often the tech world gets swept up in a wave of excitement of “this changes everything.” The newness feels absolute — until it doesn’t. Only after the gold rush fades does objectivity return and we start to see what actually changed and what quietly stayed the same.Quantum is one of those waves — just on the tail of AI.A Brief History of Not-So-Final UpgradesIf you look at the history of computing, it’s a story of stacking layers. Mechanical relays gave way to vacuum tubes. Tubes got sw...