Any site with a content section that relates to their products can use recommendations in their content. Another great example is Sanistål, a Danish wholesaler to the construction industry.
Generally, they are experts in intelligent data utilization, and in this case, they are at the top of their league.
In their knowledge-section, you can find news and articles that relate to the products they sell. Sanistål is using data from Raptor to show products that relate to the articles you are currently reading.
These modules enable their content to drive traffic to their products and ultimately increase their sales.