An RSS feed is a resource that shows the latest content from a source and RSS will update automatically . By submitting an RSS feed to different directories, you provide another way for your blog content to get syndicated and to distribute your backlinks.
By submitting the RSS feed you will get the following benefits:
1. Easier way to communicate rather than email
2. Improved SEO
3.Reaching new viewers through syndication
4.An extra way to communicate with the customers