Pia FreyPia Frey is an entrepreneur, journalist, and author of bestselling flip books. She is a cofounder of Opinary, which helps users to share their opinion in online content in new and easy ways. Their clients include The Guardian, Huffington Pot, and Toyota. Frey was a part of Forbes’s 30 Under 30 in European media. She lives in New York and Berlin. For more mix and match fun, be sure to also check out her first book in the US: America Has Very Nice Legs—It’s a Fact! Read More Read Less