0 or Atom, although there are many Flickr feeds. You saw in Chapter 11 that even
with the extensive number of Flickr feeds to access the Flickr API, I still had to convert Flickr XML
to RSS 2.0, which I did with Yahoo! Pipes. That conversion made the data available to the GME.
As a final note, try using feed autodiscovery to enable easier access to feeds by users (which
was discussed in Chapter 4).
Finally, be friendly to extensions to feeds. Remember that RSS 2.0, Atom 1.0, and RSS 1.0
are all extensible. Make use of this extensibility. If your system consumes feeds that have
extensions, don??™t strip them out.
Make It Easy to Post Your Content to Blogs and Other Web Sites
In Chapter 5, you learned about how blogs can be integrated with web sites such as Flickr.
Flickr??™s Blog button allows users to post a photo to a weblog. Moreover, the Flickr All Sizes button
makes it easy for users to embed a photo into a blog or other web site by providing HTML
fragments that they readily copy and paste elsewhere. In a similar fashion, YouTube provides
HTML to embed a video, and Google provides HTML to embed its maps and calendars. You as
a content producer can emulate the practice of making it easy to post your content to other sites
while linking back to your own web site, where the content originates. In addition to facilitating
the flow of content from your web site, you track comments originating from other web sites
through a variety of linkback mechanisms.
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