John Hodgman is a writer, humorist, geek celebrity, former professional literary agent and expert on all world knowledge. He was the bumbling PC in Apple's long-running "I'm a Mac; I'm a PC" ad campaign.
Tanya Menon speaks, writes and consults on collaboration. Her research focuses on how people think about their relationships and the habits that allow them to build positive connections with other people.
Detective of fads and emerging subcultures, chronicler of jobs-you-never-knew-existed, Malcolm Gladwell's work is toppling the popular understanding of bias, crime, food, marketing, race, consumers and intelligence.