More at http://philosophytalk.org/shows/digital-selves.

Second Life and dozens of other online adventures involve creating digital selves, and millions of users are taking advantage of the opportunity to develop new personas. Cyberpunk literature, like William Gibson's Neuromancer, describes worlds in which the line between digital selves and real selves is hard to draw. What makes your digital self you? What does your choice of digital selves show about you? And what makes onscreen representation more or less effective as digital selves? John and Ken are joined by Jeremy Bailenson, Director of Stanford's Virtual Human Interaction Lab.