Trakt is a free platform that automatically keeps track of the TV shows and movies you watch by integrating with your media center or home theater PC. It also allows users to check in from their phone and easily find where to watch movies and TV shows on popular streaming sources like Netflix, Amazon, Hulu, and iTunes. With over 500,000 users as of May 2014, Trakt powers thousands of apps and offers API access for developers to create community apps. It provides a media discovery and engagement platform for TV addicts and offers scrobbling and interaction capabilities across various devices.