4 Unprofessional Interview Habits. I like #3. Most of us know to "do our homework" when it comes to the company we are interviewing for. BUT - "Let the interviewer know how you plan to grow with the company and get him thinking that he can’t “believe” he hadn’t the good fortune of meeting you sooner. Review Google News for references to the company, paying special attention to any statements that executives make about their strategic direction." Make your case how you will help get there.