Lesson plan

RSS Cloud

RSS Cloud is an optional sub-element of the RSS protocol's <channel> element that enables realtime (immediate) push notifications or distributed publish/subscribe communication for feeds. This is done using a element allowing a software service to register with a cloud which notifies subscribers of updates to the channel. RSS Cloud is not limited to RSS feeds but can also be used with other feed formats such as Atom. On September 7, 2009 WordPress became the first large supporter of the protocol, enabling the tag for over 7.5 million hosted blogs on WordPress.com. Another protocol superseding the use of the <cloud> element is WebSub. In addition to functionality provided by RSS Cloud, WebSub push notifications include content of the updated feed entries and do not unsubscribe unsuspecting subscribers after 25 hours.

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Article summary

RSS Cloud is an optional sub-element of the RSS protocol's <channel> element that enables realtime (immediate) push notifications or distributed publish/subscribe communication for feeds. This is done using a element allowing a software service to register with a cloud which notifies subscribers of updates to the channel. RSS Cloud is not limited to RSS feeds but can also be used with other feed formats such as Atom. On September 7, 2009 WordPress became the first large supporter of the protocol, enabling the tag for over 7.5 million hosted blogs on WordPress.com. Another protocol superseding the use of the <cloud> element is WebSub. In addition to functionality provided by RSS Cloud, WebSub push notifications include content of the updated feed entries and do not unsubscribe unsuspecting subscribers after 25 hours.

Key claims

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

Bibliography

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Key claims and bibliography are generated from the same tracked claims and sources as the article page.