An RSS feed is a summary of the latest news or information posted on a website that is sent to a subscriber through a news reader such as bloglines. The U.S. Government now offers, through their FirstGov portal, RSS feeds on a variety of topics. You can sign up to receive feeds on topics such as Education, Health, Science, Defense, Business and more. The Government offers RSS feed subscriptions to Podcasts (audio broadcasts) also.
Ernster, the Virtual Library Cat
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