Check out a free preview of the full Meteor course:
The "Publish & Subscribe" Lesson is part of the full, Meteor course featured in this preview video. Here's what you'd learn in this lesson:
In Meteor, clients can subscribe to a data stream from the server. The server will publish to all connected clients simultaneously over DDP. Chris sets up this subscription model inside the Flack application and tasks the audience with publishing a cursor. He also talks briefly about the Meteor documentation.