Just add email@example.com as a contact to your XMPP Account to start receiving notifications of latest BBC World News. When you don't want to receive notifications anymore, just unsubscribe from firstname.lastname@example.org. There's even a service to receive notifications like this from http://slashdot.org/firehose_recent.rss by subscribing user email@example.com to your XMPP Roster.
Read more about the stuff here http://www.lobstermonster.org/post/xmpp-pubsub-service-to-publish-bbc-world-news ."
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