Spoilers for the Black Mirror episode “Smithereens” follow below. Viewers of Black Mirror are certainly no stranger to ambiguous or bleak endings, but one of the Season 5 episodes leaves things on a slightly less clear note than usual. Black Mirror: Smithereens tackles social media culture—more specifically humanity’s obsession with staring at their phones day-in and day-out, especially when prompted by notifications. The hourlong episode follows a clearly unwell man named Chris (Andrew Scott) who holds the employee (Damson Idris) of a Twitter-like company called Smithereen hostage, demanding to speak to the company’s CEO …