Before social networks became the de-facto place for logging mundane moments from our lives, Apple’s iPhone and iPod Touch incorporated a feature that let users send footage they’d filmed directly to YouTube. The uploads were all assigned the same generic file names—IMG_0000, IMG_0001, IMG_0002, etc. The straight-to-YouTube button existed for only a few years, beginning in 2009, but that stretch of time coincided with the popularization of both iPhones and user-generated multimedia online, prompting an explosion of self-documentation.