The article provides a comprehensive guide on creating a social application using Ruby on Rails and Couchbase, focusing on modeling JSON documents and leveraging Couchbase's Map/Reduce capabilities. The app, designed for users to upload and vote on Vine videos, incorporates authentication through Twitter OmniAuth. The author explains the process of setting up the Rails app, including the integration of Couchbase as a backend data store and the use of the Couchbase-Model gem to facilitate data modeling. The guide also covers creating views in Couchbase to develop a leaderboard feature that ranks videos based on public votes, emphasizing the importance of using Couchbase's views and queries for data ordering. The article is intended for those familiar with Rails and the Twitter Developer Portal, offering insights into using Couchbase for social applications with competitive elements.