They are, but I think it&#x27;s interesting what&#x27;s happening outside Google&#x27;s reach. It&#x27;s become increasingly cheap for companies to store information about each customer, which drives customization throughout that company&#x27;s product offering.<p>There&#x27;s a library built on ES that I have been watching on Github which promotes results based on ecommerce conversion data: <a href="https:&#x2F;&#x2F;github.com&#x2F;ankane&#x2F;searchkick" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;ankane&#x2F;searchkick</a>