Products with higher user engagement also have the potential to grow faster than their rivals. Case in point: Facebook leapfrogged its competitors, including MySpace and Friendster, even though it was relatively late to the social networking party. Although its competitors both had healthy growth rates and millions of users by the time Mark Zuckerberg’s fledgling site launched beyond the closed doors of academia, his company came to dominate the industry. Facebook’s success was, in part, a result of what I call the more is more principle—more frequent usage drives more viral growth.
