The creators of the exploding-Mentos/Diet Coke YouTube sensation reveal the secrets for creating videos that have been watched by millions Stephen Voltz and Fritz Grobe-the creators of the wildly viral videos "The Extreme Diet Coke and Mentos Experiments"-provide a practical how-to guide showing what really works online and exactly how to do it using four core principles: being genuine, interesting, unforgettable, and creating a connection. Stephen Voltzand Fritz Groberun Eepybird.com. Their videos have been viewed by more than 100 million people.