Is it possible to subscribe to a newsletter in as little as one click? I say yes. Mailchimp users can now embed this widget onto their site to federate list signups using Oauth as well as the traditional signup form.
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Create Channels for Notifixious API
Schmap Customizable Widgets
Yahoo! MapMaker for Microsoft Excel
Official Facebook PHP Client Library
Facebook Developer Toolkit MVC Add-on
Fantasma: C++ Client Library for Facebook
Facebooker: Ruby library for Facebook
Minifb: Python library for Facebook
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.