WebRTC is an emerging open standard that is set to transform the world of real time communications (RTC). Basically, it's a technology that enables real time communication between browsers, particularly sound and video. AddLive is a service that supports both WebRTC and non-WebRTC browsers, providing the necessary infrastructure and enabling developers to easily add live video and voice to their applications via the AddLive API and SDKs (software development kits).
Google intends to shut down the Google Hangouts API on April 25th. The change means developers will not be able to create new apps using the API, and any existing apps that rely on the API will effectively be left for dead on their feet. Why? So Google can further refine Hangouts for the enterprise.