+ Computer Science: http://www.cs101-class.org/
+ Software Engineering for Software as a Service: http://www.saas-class.org/
+ Human-Computer Interfaces: http://www.hci-class.org/
+ Natural Language Processing: http://www.nlp-class.org/
+ Game Theory: http://www.game-theory-class.org/
+ Probabilistic Graphical Models: http://www.pgm-class.org/
