A free online course on Infographics and Data Visualization is being offered by University of Texas at Austin Knight Center for Journalism. The course will run from January 12, 2013 to February 23, 2013.
For details and a short intro video by the instructor, see http://open.journalismcourses.org/
As mentioned by the instructor in the intro video, the course can be taken by anyone interested in the subject. Journalists, business professionals, graphic designers etc. can all benefit from the 6 week course.