This is the classic Multi-Armed bandit problem https://en.m.wikipedia.org/wiki/Multi-armed_bandit https://en.m.wikipedia.org/wiki/Multi-armed_bandit I like the

This is the classic Multi-Armed bandit problem https://en.m.wikipedia.org/wiki/Multi-armed_bandit https://en.m.wikipedia.org/wiki/Multi-armed_bandit I like the graphs and the explanation leads the reader deeper, but it takes the naive approach to exploration without discussing trade-offs. Tangentially, nearly every self-optimising a/b test I have code reviewed has been significantly flawed.