A picture speaks a thousand words?or, if you're Gigi Hadid, thousands and thousands of dollars. Frank Spadafora?founder of D'Marie Archive, an analytics group that recently introduced an app that evaluates the social power of different celebrities?tells CR Fashion Book that the three most highly ranked supermodels on social media are Kendall Jenner, Cara Delevigne and Gigi Hadid. They "are currently valued between $125,000 and $300,000 for a sing