New Website Mimics 'Black Mirror' Dating Device You know the dating app named "Coach" from Netflix's Black Mirror episode "Hang the DJ?" The Verge reported on a new website 'coach.dating' allows you to share a link with your partner and get results on how many years, days, and even minutes you have left to be together. You can also download a .jpg of your results for sharing. That's if you're not embarrassed by how long you have left with your significant other. Season 4 of 'Black Mirror' is currently streaming on Netflix.