How Did Tinder Achieve These Huge Numbers?

With the Tinder's launch in 2012, Tinder targeted college campuses first, garnering 90 percent of users with ages ranging from 18 to 24. According to my research, there are estimated 50 million users of Tinder, three years after its launch. As of 2016, it has made 10 billion matches with 26 million matches made daily. How did Tinder achieve these huge