There's an article about pubsub here: http://www.igvita.com/2009/06/29/http-pubsub-webhooks-pubsubhubbub/ http://www.igvita.com/2009/06/29/http-pubsub-webhooks

There's an article about pubsub here: http://www.igvita.com/2009/06/29/http-pubsub-webhooks-pubsubhubbub/ http://www.igvita.com/2009/06/29/http-pubsub-webhooks-pubsub...