The sun is setting on computers. In October, Google finally—finally—rolled out a new black-background view for its Calendar app. This is just the latest in a string of recent software darkenings. In July, Wikipedia went light-on-dark. And a few years before that, we got dark-theme Google Search. Since 2017, night has fallen on Slack, Reddit, YouTube, Twitter, and mobile Gmail too. Even Microsoft went dark. One by one, the bright, white backgrounds that have defined these and all computer interfaces since the advent of the Macintosh have been slipping into…
