Import data, transform and then visualize it in many different ways. Plotting grafs, treemaps, or making a geographic map you can discover interesting things that would be to difficult to see in a raw listing.
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Google APIlity Library
Flickr Api Explorer
rFlickr Ruby Library
Python Wrapper for Flickr API
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.