Coursera’s up to 81 institutions now — want to see who joined when? View a full-sized map here.
I gathered the data by combining a bunch of new articles posted on Coursera’s website. The map is my submission for the Google Maps portion of the course “Mapping with Google.”
According to the articles available, Coursera has announced new partnerships in batches in July and September 2012, and in February, April, and May 2013.