Imagine an application such as Disqus, which is an embeddable comment form that website owners can use to add comment functionality to blog posts or other pages. The primary functionality of Disqus is to allow users to like or leave comments on posts, however, as an additional feature and revenue stream, Disqus can make content recommendations and display them alongside sponsored content. The content recommendation system is an example of an ML system that is only one feature of a larger application.
A content recommendation system in an application such as Disqus does not necessarily need to interact with the comment data, but might use the user's likes history to generate recommendations similar to the current page. Such a ...
