Difference engines are the craziest things...

RSS is one of the buzzwords of the modern Internet - it's an XML file format that packages text and links to longer articles that can be viewed with a web browser (or more often, a feed aggregator of some kind). It works like the headline blocks of the newspapers of yestercentury: "Dow Jones Average falls 300 points - see p. A14!" The idea behind it is that you can glance at a website and look at a summary of articles and decide which ones to look at more closely. If you've ever used Google News you've used an RSS feed aggregator …

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