Chapter 03
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  • 1. 3 Syndicating Content Web 2.0: Concepts and Applications
  • 2. Overview Syndication is the process of making a summary of a Web site’s information available to other Web sites and applications A Web feed represents the list of items that are being shared Feed reader applications and devices access the Web feed of each of the subscribed sites and deliver any new contentChapter 3: Syndicating Content 2
  • 3. OverviewChapter 3: Syndicating Content 3
  • 4. Exploring Web Feeds RSS (Really Simple Syndication) is one of the first and most popular types of Web feeds Web sites providing feeds usually display an orange Web feed icon – Feed icon – RSS icon – XML icon Google Reader is a popular feed reader applicationChapter 3: Syndicating Content 4
  • 5. Exploring Web FeedsChapter 3: Syndicating Content 5
  • 6. Publish / Subscribe ModelChapter 3: Syndicating Content 6
  • 7. Exploring Web Feeds Many bloggers syndicate their blogs’ content as Web feeds News sites syndicate news headlines Monster provides an RSS feed with job postings eBay alerts users of daily deals Amazon keeps users informed about bestsellers Flickr notifies users of new photosChapter 3: Syndicating Content 7
  • 8. Exploring Web FeedsChapter 3: Syndicating Content 8
  • 9. Subscribing toand Reading FeedsChapter 3: Syndicating Content 9
  • 10. Subscribing toand Reading Feeds The ability to subscribe to a feed is standard in many Web browsers The method by which you subscribe to feeds varies with each Web browser Every browser presents Web feeds differently – Feeds are syndicated the same • XML (Extensible Markup Language)Chapter 3: Syndicating Content 10
  • 11. Subscribing toand Reading FeedsChapter 3: Syndicating Content 11
  • 12. Features of Web-Based andClient Feed ReadersChapter 3: Syndicating Content 12
  • 13. Features of Web-Based andClient Feed Readers Web-based feed readers – Google Reader • Contains feed searching capability – Bloglines Client feed readers – FeedDemon – FeedReader – Microsoft OutlookChapter 3: Syndicating Content 13
  • 14. Features of Web-Based andClient Feed ReadersChapter 3: Syndicating Content 14
  • 15. Features of Web-Based andClient Feed Readers Blogs can contain gadgets to display Web feeds in sidebar gadgets – Gadgets update when blog is loaded or refreshed Blogger defaults to automatically create feeds for its hosted blogs – Also syndicates full content Professional bloggers manage their feeds and collect information about how users interact with them – Feed managing services – Metrics – ReachChapter 3: Syndicating Content 15
  • 16. Features of Web-Based andClient Feed ReadersChapter 3: Syndicating Content 16
  • 17. Features of Web-Based andClient Feed Readers Web-based applications incorporate data from Web feeds to present it visuallyChapter 3: Syndicating Content 17
  • 18. Formats for Web Feeds RSS 2.0 is the most widely used version of RSS – RSS is closed to further modifications Atom is a newer, evolving alternative to RSS – Not as simple as RSS, but is becoming popular Differences between RSS and Atom are transparent to the userChapter 3: Syndicating Content 18
  • 19. Formats for Web Feeds XML (Extensible Markup Language) is the underlying technology used for describing content syndicated using RSS and Atom feeds – Tags describe information • Opening tags • Closing tags – RSS and Atom feeds are the most common types of content represented in XMLChapter 3: Syndicating Content 19
  • 20. Formats for Web FeedsChapter 3: Syndicating Content 20
  • 21. Formats for Web FeedsChapter 3: Syndicating Content 21
  • 22. Exploring Podcasts A podcast is a series of audio or video files that are broadcast to a computer or personal media player over the Internet by a publication in an RSS feed – Podcast reader • iTunes – You can download and watch podcast episodes directly on a Web site, or with a Web-based applicationChapter 3: Syndicating Content 22
  • 23. Exploring PodcastsChapter 3: Syndicating Content 23
  • 24. Exploring PodcastsChapter 3: Syndicating Content 24
  • 25. Exploring Podcasts Web-based podcast services contain directory listings of audio and video podcasts – Odeo manages podcast selectionsChapter 3: Syndicating Content 25
  • 26. Features of Podcast ReadersChapter 3: Syndicating Content 26
  • 27. Anatomy of a Podcast FeedChapter 3: Syndicating Content 27
  • 28. Creating Podcasts Requires basic equipment for recording and editing digital audio and video – Most laptops have built-in Webcams and microphones, as well as recording softwareChapter 3: Syndicating Content 28
  • 29. Creating PodcastsChapter 3: Syndicating Content 29
  • 30. Configuring Bloggerto Support PodcastsChapter 3: Syndicating Content 30
  • 31. Configuring Bloggerto Support PodcastsChapter 3: Syndicating Content 31
  • 32. Configuring Bloggerto Support PodcastsChapter 3: Syndicating Content 32
  • 33. Summary Syndication is a way to distribute and share Web content – Web feeds Users can subscribe to Web feeds using a Web browser or a feed reader application Content publishers syndicate their content as feeds using either the RSS or Atom formats, represented in XML Podcasts are RSS feeds with an enclosed multimedia fileChapter 3: Syndicating Content 33
  • 34. 3 Syndicating Content Chapter 3 Complete Web 2.0: Concepts and Applications