push.superfeedr.com
Default PubSubHubbub HubSuperfeedr : Real-time feed parsing in the cloud - Atom over PubSubHubbub and XMPP. We make RSS feeds realtime for both publishers and subscribers, with the PubSubHubbub and XMPP protocols. We host PubSubHubbub hubs and we also host a default PubSubHubbub that works with any feed.
http://push.superfeedr.com/
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