RSS use in Search Engine Optimization
If you put rss on your site from another site It is a good way to add relavent content to your site.
Most newspapers, government sites and many private website offer their content as a RSS feed. You can use an RSS search engine like feedage.com to find an RSS feed that is relative to your site.
RSS (real simple syndication) can be described as a way to share parts or teasers of an article with links back to the complete article.
You can also use it to populate your own site with your own material. I use it for navigations so I can add links to many sites quickly. I also use it to add articles to my client sites. It can also be used to update certain parts of a website. For example, contact information or rates.
If you put rss on your site from another site It is a good way to add relevant content to your site.
RSS syndication is when your site is the originator of the rss feed that others can read. RSS syndication can be useful in many ways. You can use it to generate links back to your site which increases your pagerank.