Reddit is a popular website for opinion sharing and news aggregation. The site consists of thousands of user-made forums, called subreddits, which cover a broad range of subjects, including politics, sports, technology, personal hobbies, and self-improvement. Given that most Reddit users contribute to multiple subreddits, one might think of Reddit ...

Beer culture in the United States has changed dramatically in the past decade or so. This trend is reflected in the development of a vibrant community of people who rate, review, and share information about beers online. Websites like BeerAdvocate, RateBeer, and Untappd give beer drinkers a place to share ...