Blackboard is a Web-based learning-management system designed to allow students and faculty to participate in classes delivered online or use online materials and activities to complement face-to-face teaching. Blackboard enables instructors to provide students with course materials, discussion boards, virtual chat, online quizzes, an academic resource center, and more. The degree to which Blackboard is used in a course varies.
Read more at: http://www.blackboard.com/
Click here for a list of Supported Browsers with Blackboard 8.0.3