College Reinvented in the Year of the 'MOOC'

If you've never heard of a MOOC, don't worry. Massive Open Online Courses began last year when Stanford Professor Sebastian Thrun put a class on line. He quickly enrolled 160,000 students — in more than 190 countries. Now Harvard, Princeton and other prestigious schools are offering MOOC's that reach millions of students worldwide. We hear about benefits and the limits of higher education on the Internet.