“After Earth” discussion event includes Elon Musk, Ray Kurzweil and others

In a promotion of Will Smith’s new movie After Earth, Smith participated in a Google+ Hangout moderated by Google’s Ray Kurzweil, and included guests Elon Musk, Alexandra Cousteau, and NASA Astronaut Sunita Williams: SpaceX’s Elon Musk and friends look to the far future: Engage warp drive! – Cosmic Log