Yahoo’s Geek Goddess

As one of Google’s highest-ranking women, Marissa Mayer became a Silicon Valley superstar, but inside the search giant her dazzle sometimes wore thin, with colleagues rebelling against her imperious style. In the wake of Mayer’s jump to run the struggling Yahoo, Bethany McLean asks whether she will be its savior or its next big problem. A year and a half in, the results are mixed.