Many of our readers want rich content and want to be able to easily access our current content in different ways. For example this study found that 82% of people in Kenya want spoken content http://translatorswithoutborders.org/sites/all/themes/twb/pdfs/TWB%20Impact%20Study%20Infograph.pdf
We need to partner with other organizations to increase the number of videos we have. There are a lot of great CC BY SA NC / ND videos out their. The organizations that produce them are happy for us to use them as we are NC. Is there a need for an exception for this content? Yes I know this is a bit of a push. But we allow fully copyright images under specific rules right now.