Open Source College Textbooks launching January 2009 | Flatworld Knowledge

These folks seem like they have 2 diff. business models--but I can't quite tell:

http://www.flatworldknowledge.com/minisite/index.html

Cool social networking functions--if they were in an educational Facebook app. Also just a sweet concept.

This is the video I saw first. I think its about a minute long:
http://blog.orgsync.com/2008/12/16/free-textbooks/

Cheers Ya'll!!