ERIC FRANCESCHI is a photographer based in Marseilles, France. Some of his work can be found at www.ericfranceschi.com. FOR THE LAST three years, I’ve been staring at a webcam of northern Finland.

Over the past few days, a software package called Deep-Live-Cam has been going viral on social media because it can take the face of a person extracted from a single photo and apply it to a live ...