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 stories from ambitious young people like Paige McKenzie, who started her own YouTube channel at sixteen that now has more than 55 million views; Sam Mikulak, who's represented Team USA in the Olympics and is a seven-time NCAA champion in Men's Gymnastics; Jack Andraka, who developed an early detection test for pancreatic cancer at fifteen; Tallia Storm, a Scottish singer who was discovered by and opened a concert for Elton John, on her way to signing a record deal with Virgin Records; Dau Jok, who escaped civil war in South Sudan to become captain of the University of Pennsylvania's Division 1 basketball team and founder of a nonprofit to help youth in his native country, and many other accomplished and inspiring Millennials from all walks of life.All of these young people-members of the 2BillionUnder20.com community-have joined forces to show the world how Millennials are taking care of business. Join the movement and change the world!