YOW! is the Australia developers conference, and appears to be held annually in December in a place I'm unlikely to go to for a conference. But they have kindly put much media online.
Wednesday, March 14, 2012
Simon Peyton Jones' talk at YOW! 2011 is available at http://yow.eventer.com/events/1004/talks/1055 or less directly (along with the other talks) at http://yowaustralia.com.au/