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.
Your Mashup not listed on ProgrammableWeb yet? Tell us about it and get listed.
Google APIlity Library
Flickr Api Explorer
Flashr, a Flickr Wrapper in Flash
PHP Wrapper for Flickr API
Video Tutorial ASP.NET Mashups
Flickr Upload in Perl
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.