As you've seen in previous tutorials, the Zend Framework offers Web developers a tremendously powerful solution not only for building maintainable websites, but also for taking advantage of the latest web services. This offering includes the Zend_Feed component, which makes it incredibly easy to both build and consume RSS feeds.

He shows how to create an "advertising-aware RSS feed" via the Adsense for Feeds and putting Adsense ads into your feed. The information for the feed is initially generated by an instance of a Zend_Feed component (with the information pulled from a backend database).