On this edition of Conversations, Cassidy Puckett talks with host Dan Skinner about “Redefining Geek: Bias and the Five Hidden Habits of Tech-Savvy Teens.” Puckett is assistant professor of sociology at Emory University. She holds a master’s degree from Stanford’s Learning Design and Technology program. Prior to earning her Ph.D., she taught technology classes for six years at Urban Promise Academy Middle School in Oakland, Calif.