Lets readers subscribe to your blog using any feed reader, such as Google Reader, My Yahoo!, Netvibes, Pageflakes, and all the rest. The button comes with Add to Any’s customizable Smart Menu, which places the services visitors use at the top of the menu, based on each visitor’s browsing history.

• Add to Any Smart Menu
• Includes all services
• Services updated automatically
• Searchable on key-down
• Keyboard navigation
• Google Analytics integration

Demo: http://www.addtoany.com/

See also, the Share/Save/Bookmark button plugin.