There's a lot of buzz right now over the glitches that plagued a Georgia Tech Coursera course, leading to a suspension of the class by the institution. Ironically, the title of the course was "Fundamentals of Online Education: Planning and Application." The problems involved the use of Google Docs to facilitate group work and the inability of the application to handle the large number of simultaneous users. It remains to be seen whether or not the course will resume, but this will be a valuable lesson in testing and scalability of tools used in MOOCs.
A student enrolled in the course speak out: