Erin Walsh is co-founder of Spark & Stitch Institute and author of It’s Their World: Teens, Screens, and the Science of Adolescence. She has worked with communities across the country who want to better understand child and adolescent development and cut through conflicting information about kids and technology. Her work has been featured in the Washington Post, Edutopia, Parents.com, Psychology Today, and Minnesota Public Radio. She co-authored the Tenth Anniversary Edition of the national bestseller Why Do They Act That Way? A Survival Guide to the Adolescent Brain for You and Your Teen and has worked with schools, school districts, parent groups and other youth serving organizations throughout the United States and Canada on issues related to digital media, parenting, and child and adolescent development.