Today's web applications demand real-time, low-latency data transfer. Users expect to interact with data in as close to real time as possible without minimizing the overall user experience. WebSockets allow you to do just that, by creating a persistent connection between a client and server that can be used to send data in real time. In this course, you'll learn how to use the emerging WebSocket technology in a Ruby on Rails application. If you know the basics of Ruby on Rails and you're ready to see the power of using WebSockets, this is the course for you!