Leggings as pants, smartphones, the Kardashians, Brexit, Donald Trump, Netflix: these will inevitably become the defining symbols of the 2010s. Our memories of these years, however, will be collectively stored on Instagram, which has spanned the entire decade. In many circles, but especially within the fashion world, it is apparent that Instagram dominates among competing social networks such as Facebook, Twitter, or YouTube. This is the result of a combination of factors: the high proportion of Millennials and Gen Z users, the medium of images and videos, and the feelings of intimacy generated through direct interaction. The winning formula has propelled both companies and individuals to fame by means of…