Esquire’s recent e-ink cover stunt left most people disappointed when it hit newsstands. Hack-a-Day managed to make an interesting (but not super functional) e-paper clock this way. Analysis of the display revealed that there wasn’t much opportunity for meaningful customization outside of changing the timing for each section’s blinking. If someone were to give me such a clock for my desk, they’d better also give me an electronic sledgehammer to smash the damn thing into pieces.”]
Source: https://gizmodo.com/how-to-hack-the-esquire-e-ink-cover-to-make-a-clock-5064483