Flickr offers RSS and Atom news feeds of much of its data, making it easy to keep track of your favorite people, groups, and tags.
News feeds have revolutionized the way people read sites on the Web. Instead of browsing hundreds of pages across the Web every day, you can use software called newsreaders to subscribe to news feeds and display any new information in a friendly, consistent format.
The folks at Flickr have recognized the demand for news feeds and have made most of the data you see on the web site available in a number of different feeds. For example, if you want to track a particular photographer, you can add that person's photostream feed to your newsreader and see any new photos he posts without ever visiting Flickr.
The first step to subscribing to a Flickr feed is finding a feed URL that you can copy and paste into a newsreader. You can spot news feeds on Flickr by looking at the bottom of the page for feed options like the ones shown in Figure 3-11.
Figure 3-11. The feed options found at the bottom of many Flickr pages
News feeds are structured XML documents intended to be read by machines rather than humans. Flickr offers feeds in both RSS (Really Simple Syndication) and Atom formats; you won't notice a difference between the two, and you can use either format in most newsreaders. To copy a feed URL, right-click (Command-click on a Mac) on ...