The first step shows you how to set up the web services required to use the tutorial app.
In this step you will set up the basic web app that demonstrates a video chat application.
An OpenTok session connects different clients letting them share audio-video streams and send messages.
You must connect to a session before publishing or subscribing to audio-video streams.
Shows how to publish your audio-video stream to an OpenTok session.
Once a stream is published, other clients can subscribe to it (and view it).