YUIConf 2012 Talk: Reid Burke on Write Code That Works
Not all talks at YUIConf 2012 were directly related to features of YUI. One such talk focused instead on the need for testing code entitled "Write Code That Works" from Reid Burke. This was a very popular talk that was highly rated by attendees. If you develop for the web, you'll find this talk entertaining and insightful.
Slides for this talk are available here.