There was something awkward about his role, though. Instagram’s Emily White was only sort of his boss. Carolyn Everson, the new head of sales at Facebook, was the one in charge of advertising strategy. A lot of people on the sales and marketing side of Instagram had double bosses like this. The independence Zuckerberg had promised Instagram was holding for the product and engineering side, but the sales and operations side, run by Sheryl Sandberg, was starting to assert a deeper level of control.
