http://tags.library.upenn.edu/tag/media+creative_commons PennTags Feed http://tags.library.upenn.edu/makerecord/url/4043 http://tags.library.upenn.edu/makerecord/url/4043 <p><font class="description">This project is a systematic study of why and how it makes sense for commercial companies and noncommercial institutions active in culture, education, and media to make certain materials widely available for free, and also how free services are finding new (sometimes commercial) ways of becoming sustainable. </font></p><p>&nbsp;</p><p>Site includes MP3s of lots of the shows.&nbsp;</p>