Waste of time. They were looking for someone with entirely different skills than I had. Why in the world they requested an interview is beyond me. I spent a half a day researching the company and what they do (quite interesting) only to discover within the first 3 minutes of the interview that they wanted a data scientist. I am not that. Nothing in my resume would lead anyone to think that. And hey, would it hurt you to smile or show any kind of personality? Deadpan, bored face for the entire 5 minutes of this interview. Really glad I dodged that bullet.