Web 2.0 Characteristic Service -- Feed Reader

What is a Feed reader? In essence, it's a reader that can automatically update RSS and ATOM feeds. Virtually all Web 2.0 websites offer Feed subscriptions (including both RSS and Atom formats), and RSS and Atom come in five versions: RSS 0.9x, RSS 1.0, RSS 2.0, Atom 0.3, and Atom 1.0. Some people may not understand why one would use a Feed reader and how it differs from directly browsing web pages in a browser. The article below will list the necessity and advantages of using a Feed reader, as well as how to use it.