In the coming weeks, I will post more details on how you can sign up to use the app, how you can become a beta tester, and on lessons learned in the process of creating the app.
Here are some screen captures from the app as it was when it launched on January 28th, 2010.
Pledge Entry View
Google App Engine Dashboard
You can checkout the code here:
You can try this out with your own web2py/windows install: