The chopped salad is engineered…to free one’s hand and eyes from the task of consuming nutrients, so that precious attention can be directed toward a small screen, where it is more urgently needed, so it can consume data: work email or Amazon’s nearly infinite catalog or Facebook’s actually infinite News Feed, where, as one shops for diapers or engages with the native advertising sprinkled between the not-hoaxes and baby photos, one is being productive by generating