FeedBuddy is one nice button which is aimed to replace a set of many-colored different-sized buttons. It can be used to keep your site clean and elegant.
Buttons like “+ My Yahoo!”, “+ My MSN” (and about fifteen other similar buttons) allow visitors to quickly subscribe to RSS channel in appropriate feed-reader. When you place FeedBuddy button on your site you are placing all these feed-buttons.
Tame your feeds – [FeedBuddy]