## How Quantum Information Theorists Revealed the Relativity Principle at the Foundation of Quantum Mechanics

This Insight is a condensed version of The Relativity Principle at the Foundation of Quantum Mechanics. Reference numbers here correspond to that paper. Feynman famously said, “I think I can safely say that nobody understands quantum mechanics” [1]. Despite the fact that quantum mechanics “has survived all tests” and “we all know how to use…