Checkout the video below of Dr. Barbara Fredrickson presenting on "Why Care About Positive Emotions" at Agile2011. Dr. Fredrickson and her colleagues have found that positive emotions literally change the way the human brain works, widening people's perspectives, and their outlooks on life. According to Fredrickson’s broaden-and-build theory of positive emotions, this shift in mindset drives…

Checkout the video below of Kevlin Henney presenting on "Code" at Agile2011. Kevlin looks into code. It is the definition of the software. It is the enabler of functionality, the realizer of business value, the expression of understanding. It is also an expression of misunderstanding, a resister of change, a source of sunk costs. But the…