Implements a Pubsubhubbub Real Time Publisher informing Planet Earth of your updates now, not later!
You can visit Pubsubhubbub Core 1.0 Specification
It's getting there! Pubsubhubbub is currently supported by Superfeedr, Rabbithub, and Google itself is currently implementing it across some of their properties like Google Reader and Blogger. When it's adopted in full by Google Reader for feed subscriptions it will be amazing!
I'm a PHP developer from Ireland who works on several open source projects, including the Zend Framework where I am the lead developer for ZendFeedReader, ZendFeedWriter, ZendFeedPubsubhubbub (!), Zend_Oauth, and many more. I've been writing PHP since 1998.