Scanning also allows the employer to keep the resumes not chosen the first time to store them for future job opportunities or other departments. These documents would then be on the company's database. Because of the resume having to be transferred into the computer the document will have to look different. It will look different than the formatted copy in that it has nothing elaborate on it. There should be no unnecessary information and be very plain.
Employers look at the cover letter for a brief introduction to the person.