A Firefox Greasemonkey script to embed a "geo this" button within the WordPress admin screen. Click the button and it makes a YQL call to Placemaker, sending along the contents of your post. It embeds the results in the Geo microformat.
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US Presidential Birthplaces
Update Twitter with Command Line Tools
Perl Script for the Technorati API
Pete Warden's Placemaker Tutorial
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.