A quick example today of a machine learning product review website we discovered on reddit. The design is incredibly simply, providing the visitor with the information they need, and nothing else.
Using a machine learning and sentiment analysis algorithm, they are able to help you find the best obscure products, such as kulana beach cruisers or chair backpack combos.
Keep an eye out for more of this - content sites powered by big data and algorithms. Pretty soon these apps will be making the decision for you and buying the recommended product without you needing to search for it!