Big numbers. Very big numbers. Open courseware has been wonderful for MIT and wonderful for learners around the world. The costs of infrastructure to support this may be high but the payoffs seem more than worth it.
Address of the bookmark: http://www.readwriteweb.com/archives/year-end_stats_from_mit_point_to_increasing_popula.php?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+readwriteweb+%28ReadWriteWeb%29