Takes normal Google search results, makes sure the pages exist and have your search terms on them, and shows you a preview when you hover the mouse. Uses a secure Java applet.
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flightwise (formerly fboweb.com)
Google APIlity Library
Yahoo! Search API Tutorial
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APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.