Trigger.dev Realtime is a platform that offers real-time task progress updates, allowing users to subscribe to the status of task execution from either the frontend or backend and receive updates instantly. The significance of this technology lies in bridging the information gap between long-running background tasks and the applications, enabling users to be informed about task statuses in real time, thus enhancing the overall user experience. Background information indicates that the platform has collaborated with over 60 organizations, including Midday.ai, Cookbook AI, and Papermark.io, all of which utilize the Realtime API in production. In terms of pricing, Trigger.dev offers Hobby and Pro plans that support 50 and 500 concurrent connections, respectively, with the option to scale further as needed.