Copy Of Resume To Interview. Each of these comments were angry and called the interviewers "unprofessional". I was reading over the interviews section on glassdoor and came across several comments that really surprised me.

You can put it in a file along with previous resumes, to pull out and use for when you need to Yes bringing couple of copies of your resume and cover letter to an interview helps just in case if the interviewer asks and maybe they have forgot.
Additional Skills - Your skills section can still be used to.
Once you get the interview invitation, the resume is useless. Presenting your resume in an interview is an important part of making a good impression. Communicate with the interviewer in a positive and restrained manner (come across as professional and friendly).