Years it took for each product to gain 50 m users7 junio, 2017 por Felipe Sahagún | Sin comentariosVala Afshar✔@ValaAfsharYears to reach 50 million users: 68 62 50 46 22 14 12 12@YouTube 4@Facebook 3@Twitter 217:58 – 6 Jun 2017Entradas relacionadas:Facebook users in 2015Mr. Zuckerberg, I also want to be customer, not a product20 years of OsloThe Demographics of Social Media Users — 2012