Your loneliness is big business for these startups

Over the years, Julianne Holt-Lunstad has fielded many requests from startups looking for her help. These entrepreneurs came to the Brigham Young University professor with the well-meaning goal of “solving” loneliness; they believed their app or company could help consumers build genuine connections, and wanted Holt-Lunstad’s opinion on this feature or that business tactic.  Across the pond, University College London professor Noreena Hertz was getting the same calls. They wanted her to join…