The document discusses open educational resources (OER) and the Open Educational Resources movement. It describes some of the research and projects that have been conducted to understand the impact and use of OER, including 28 fellowships, research projects, publications, and studies of OER use in various countries. It also discusses challenges in understanding and assessing OER use and impact, and proposes using collective intelligence methods to identify challenges, find solutions, and provide evidence to support different claims about OER.