Registered members submit content to the site such as links, text posts, and images, which are then voted up or down by other members. Posts are organized by subject into user-created boards called «subreddits», which cover a variety of topics including news, science, movies, video games, music, books, fitness, food, and image-sharing. Submissions with more up-votes appear towards the top of their subreddit and, if they receive enough up-votes, ultimately on the site’s front page. Despite strict rules prohibiting harassment, Reddit’s administrators spend considerable resources on moderating the site. As of JulyReddit ranks as the No. Reddit is a website comprising user-generated content —including photos, videos, links, and text-based posts—and discussions of this content in what is essentially a bulletin board. As a network of communities, Reddit’s core content consists of posts from its users. The most popular posts from the site’s numerous subreddits...