This document discusses how to add commenting systems like Disqus and Facebook comments to a WordPress site. It provides step-by-step instructions for installing Disqus, including getting a Disqus code, pasting the code in the theme files, and adding a link to the comments. For Facebook comments, it describes getting a Facebook app ID, pasting Facebook SDK code in the theme files, and inserting Facebook comments code in the comments file. The goal is to offload comment traffic, reduce database usage, and allow for social media marketing through Facebook comments.