Welcome to the future 2 Billion Under 20 is a book, online community, and movement inspired by the 2 billion people in the world currently at or under the age of twenty. We stand for Millennials, Gen Z'ers, and those who want to better understand them and their unique potential. This book shows how we can all act on our passions and make a difference at any age. Young entrepreneurs Stacey Ferreira and Jared Kleinert have brought together seventy-five...