This article illustrates 11 Practical Uses for RSS in Business.
The link is: http://www.webpronews.com/expertarticles/2006/07/25/practical-uses-for-rss-in-business
These are two examples of companies using the RSS:
http://www.federalreserve.gov/feeds/Company Name: Clear Digital Media
Company Description: Clear Digital Media publishes consumer-oriented media content on the Internet through a variety of web sites, focusing on topics such as home and family, real estate, genealogy, hobbies, Internet business, and more.
Using RSS: Clear Digital Media uses FeedFor. All to maintain an RSS feed for one of their flagship websites, Interment.net. Every time they publish new material, they announce it through the newsfeed. RSS Feeds also help Clear Digital Media increase our revenues by attracting visitors from various newsfeed sites.
There is another website shows RSS feeds in Web Mercator for Bing Maps .
http://forums.esri.com/Thread.asp?c=158&f=2421&t=299011#933909