Web feed is the data format providing frequently updated contents to the users. The content distributors syndicate a web feed to allow the users to subscribe the contents. Web feed is also known as the Syndicate feed or News feed. To access a collection of web feeds, Aggregation is used so that the user can collect all the informations in one spot. Web feeds uses Pull technology to support the user to receive updated contents. Two major Web feed formats are RSS and Atom. Expansion of RSS is Really Simple Syndication and is sometimes expanded as Rich Site Summery.
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