The following report was written by the Sunlight Foundation to describe their involvement with the NDIIPP project.
From the Summary:
During the past year Sunlight Foundation has created two products serving the purpose of increasing public access to state legislative data: the Open Government website (OpenGovernment.org) and the Open States iOS app (to be publicly released Q1 2012). Both of these sites are powered by the Open States API, a data service that provides a common interface to state legislative data including bills, legislators, roll call votes, and committees.
Read the Complete Report (5 pages; PDF)