Jordan "DJ Earworm" Roseman: Music from the Crowd

Most widely known for his annual 25-song mashup video "United State of Pop," DJ Earworm has been working as a San Francisco-based producer and performer since 2003. He first landed on the music scene after being hired by MTV as resident DJ during the 2005 MTV Music Video Awards in South Beach, Fla.

Mac Barnett: Why a good book is a secret door

Childhood is surreal. Why shouldn't children's books be? In this whimsical talk, award-winning author Mac Barnett speaks about writing that escapes the page, art as a doorway to wonder — and what real kids say to a fictional whale.

Joi Ito: Want to innovate? Deploy or die.

"Remember before the internet?" asks Joi Ito. "Remember when people used to try to predict the future?" In this engaging talk, the head of the MIT Media Lab skips the future predictions and instead shares a new approach to creating in the moment: building quickly and improving constantly, without waiting for permission or for proof that you have the right idea. This kind of bottom-up innovation is seen in the most fascinating, futuristic projects emerging today, and it starts, he says, with being open and alert to what's going on around you right now. Don't be a futurist, he suggests: be a now-ist.