Technology can be an equalizer, especially as new tools democratize the expertise that was previously held only by a limited few. But is coding really the new literacy -- the fourth “r” -- after reading, writing and arithmetic? Should it be? Why does this even matter, and how can coding enable more people?

The security landscape is changing. Can companies fight back against an increasingly well-armed and sophisticated set of bad players? “I think it is the beginning of a wakeup call,” former deputy secretary of defense Ashton Carter says. “That said, I think there are a lot of people at the top that don’t know what to do.” Carter (who is is expected to be formally nominated as the next Secretary of Defense) joins a16z board partner John Jack and Yahoo security chief Alex Stamos for a wide-ranging discussion about the state of security.