This document discusses open educational resources (OER) and their relevance to education in Iowa. It defines OER as digital resources that are free and openly licensed for anyone to use, adapt and redistribute. The document outlines several assumptions about OER, including that they are well-suited for personalization, differentiation and continuous improvement of instruction. It also discusses the Creative Commons licensing system and how educators can legally share, remix and reuse open resources. The document argues that greater sharing of resources through open licensing can help improve education and lower costs in Iowa.