I learnt nothing in this class, such a waste of time. Would've learnt so much more in like a one-day hackathon. The professor is very unhelpful. He just reads off his slides that are reused from previous years. He doesn't care about actually teaching as he doesn't put in energy into class. We have group projects developing prototypes for HCI, which is as if he just wants to use our ideas for his own research. I would never take any of his classes again. If you want an easy-A, this is the class (I mean all 209AS classes are) but you really are wasting your money.