Founder and CEO of reCAPTCHA and Duolingo
Communications Expert, Catalyst Human Connection, Soulosopher & Founder of The Poet Society
The language of being human | Poet Ali
Linguistics Expert, Author, Moral Politics, The Political Mind, Don't Think of An Elephant!
Political Commentator, Linguist & Professor at Columbia University
Erik Larson and John McWhorter - Aspen Ideas Festival
Behavior Analyst & Body Language Expert