The Dictionary of Obscure Sorrows API

From the video

When your life moves on to the next scene, theirs flickers in place, wrapped in a cloud of backstory and inside jokes and characters strung together with countless other stories you'll never be able to see. That you'll never know exists. In which you might appear only once. As an extra sipping coffee in the background. As a blur of traffic passing on the highway. As a lighted window at dusk.