Its almost too easy! First, read the project summary, and learn the protocol basics.
Now start being real-time:
Easily turn existing Atom and RSS feeds into real-time streams.
PubSubHubbub is a simple, open, server-to-server publish/subscribe protocol as an extension to Atom and RSS. Parties speaking the PubSubHubbub protocol can get near-instant notifications via WebHook callbacks when a feed they are interested in is updated.
The protocol is decentralized and free. No company is at the center of this controlling it. Anybody can run a hub, or anybody can publish or subscribe using open hubs. Below is the list of products at Google that have already adopted PubSubHubub-- and more are on the way!
