finally, facebook went ahead and took the step towards letting low-scale people/companies write scalable applications.

http://wiki.developers.facebook.com/index.php/Data_Store_API_documentation

also tickles me in the direction of Amazon’s recently published facts on Dynamo:

http://www.techcrunch.com/2007/10/03/amazon-takes-another-step-towards-the-web-os-with-dynamo/