Author here! Love to hear any feedback and hope folks find it useful. As I mention in the article, we use a very, very similar implementation in production at g

Author here! Love to hear any feedback and hope folks find it useful. As I mention in the article, we use a very, very similar implementation in production at grove.co. It's ridiculously simple, which also makes it very robust and reliable in production. Example (frames as "customers also bought" but in reality is a set of similar products -- we swapped in the content-basd engine for a CF approach and haven't yet updated the copy): https://www.grove.co/catalog/product/cellulose-sponge/?v=802 https://www.grove.co/catalog/product/cellulose-sponge/?v=802