Even if the science on this isn't settled yet, it's such low hanging fruit that I can't think of any reason why the big N companies aren't already doing it. Bes

Even if the science on this isn't settled yet, it's such low hanging fruit that I can't think of any reason why the big N companies aren't already doing it. Besides, it would require less time from the interviewers (since they don't have to be present for the reading and thinking portion).