Google Feed API v2 with Push

Google have released the Google Feed API v2 with Push, a JavaScript library for embedding Google Feeds with feed updates, which are then pushed automatically to the user’s browser.

The Google Feed API v2 with Push currently supports Firefox 3+, IE6+, Safari, Opera 9+, and Chrome, and Google advise developers to run the API with feeds enabled for PubSubHubbub for the best results.

Please see the project’s Google Code for more information.