Which scientific principle forms the mathematical foundation for many modern retail recommendation algorithms?

As science and retail technology increasingly intersect, recommendation systems have evolved to incorporate sophisticated algorithms that analyze consumer behavior. These systems now employ advanced scientific methods like machine learning, natural language processing, and even neurological insights to predict and influence purchasing decisions. How well do you understand the scientific foundations behind the digital shopping experience that shapes what products appear in your feed?

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Bayes' Theorem
Heisenberg's Uncertainty Principle
Maxwell's Equations
Bernoulli's Principle