The article you mention names RichRelevance, but there are others who implement Thompson Sampling or other forms of Bayesian Bandits, such as SigOpt [0] and Dynamic Yield [1]. Various adtech companies also use it underneath the hood.<p>[0] <a href="https:&#x2F;&#x2F;sigopt.com&#x2F;" rel="nofollow">https:&#x2F;&#x2F;sigopt.com&#x2F;</a><p>[1] <a href="https:&#x2F;&#x2F;www.dynamicyield.com&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.dynamicyield.com&#x2F;</a>