From the site: The G4 is a powerful tool for everybody who wants to keep his/her geo-spatial data organized, analyzed and accessible from around the world with ability to share and collaborate with friends.
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YES for eBay
Road Sign Math
Fatal Crash Data Maps
Building a sentiment analyser for your Twitter feed
Make data from the Tixik API available on Locago.
Minifb: Python library for Facebook
Creating a Facebook photo album with Adobe Flex
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Perl library for Facebook
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Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.