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The selfie, of course, isn’t new—it has been around since the advent of photography, when chemist-turned-photographer Robert Cornelius captured one in 1839. But in the past two years, it has become explosively popular.
Like so many social changes, the rise of the selfie begins with a shift in technology. For most of the twentieth century, photography was expensive and the gratification of capturing a moment was subject to lengthy delay.
