Companies Using RSS Feeds

I received an assignment about writing a blog about companies using RSS feed and to learn the disadvantages and advantages of it. The first link I found was on feed for all about financial Companies using them for information to their customers for better communication.

http://www.feedforall.com/finance-companies-use-rss.htm

There is about 20 companies on the list that uses RSS feeds and gives their customers a way to follow them in a much easier way.