semweb2slide55

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The fourth major thrust of Web 2.0 is about empowering end-users. A great example is Greasemonkey scripts. Greasemonkey is a Firefox extension that automatically invokes Javascripts when selected URLs are loaded. The scripts can transform the appearance of pages, perform computations, and even invoke external Web resources.

A great example of a Greasemonkey script is Book Burro, written by Jessie Andrews at the University of Kentucky. Activated by any Amazon page offering a book for sale, Book Burro fetches and displays prices from competing booksellers.

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