They solve the problem of having to manually go through 1000s of applicants. Most jobs these days have over 100 people applying. This software allows the system

They solve the problem of having to manually go through 1000s of applicants. Most jobs these days have over 100 people applying. This software allows the system to easily get rid of unqualified (whatever you set the criteria at) applicants automatically. I am sure there are many other uses like applicant tracking, job posting, compliance with discrimination laws, etc.