this discussion by MIT's Henry Jenkins is a fabulous overview of the role Social Media played in the 2008 Presidential Campaign (and, by extrapolation) and how these technologies are shaping cultural and personal time. Very good!
Access is relevant to Digital Scholarship. Copyright law was determined in an era when printing required expensive machinery.
Nearly 2,000 professors across the country have signed the Open Textbooks Statement affirming that they will consider using open textbooks if appropriate for a class. Please build the movement the link on to any faculty members who might be interested - http://www.maketextbooksaffordable.org/statement.