John Battelle first broke the story mere hours before it became...
http://battellemedia.com/archives/002116.php

Official
http://websearch.alexa.com/welcome.h...2E705B027723E3

But unlike IBM (webfountain) and the Google, Yahoo APIs,
The Alexa Web Search Platform provides public access to the vast web crawl collected by Alexa Internet. Users can search and process billions of documents -- even create their own search engines -- using Alexa's search and publication tools. Alexa provides compute and storage resources that allow users to quickly process and store large amounts of web data. Users can view the results of their processes interactively, transfer the results to their home machine, or publish them as a new web service.