The document summarizes a study being conducted to develop a definition for the term "non-commercial" as it relates to Creative Commons licenses. The study is in Phase II, gathering understandings of non-commercial use from interviews and focus groups with the goal of accurately defining the term. Phase III will test improved definitions through additional focus groups and surveys to inform any needed policy changes or license revisions and publicly release the findings. The study has an international scope, gathering input from diverse study participants, interviewees, focus group members, and survey respondents.