Tinder, the Fast-Growing Dating App, Taps an Age-Old Truth. October 30, 2014 Admin News 1. Spread the love. By NICK BILTON. WEST HOLLYWOOD, Calif. — As I sat in the lobby of a drab office building here, waiting to be led up to the penthouse loft of Tinder, the fast-growing dating app, I noticed that every few minutes young women would walk into the foyer, dressed in flip-flops, T-shirts and.