Key challenges are emerging with the growing use of open educational resources in higher education. To find out just what those challenges are and how colleges and universities are overcoming them, Campus Technology spoke with two experts on the subject. Accustomed to using textbooks, pre-developed assessments, and other standard materials in their classrooms, today's college professors are using more open educational resources (OER) than ever. But with OER comes a few key professional development challenges. The vast quantity of resources--tested and untested alike...