Information technology has rewritten the equations relating matter and energy to our quality of life. Computing, communications, biotech, and nanotech are enabling us to generate high levels of affluence with a tiny fraction of the physical resources once required. At the same, infotech is changing who we are and how we function. Inevitably, text messaging, e-mail, Google searches, and a wide range of other information technologies are transforming how we live and think. What are the implications? What are the opportunities and threats? Keep listening to find out.