Resumes should be updated all the time. Everytime you have new information regarding yourself that you think is relevant should be included as well as updated.  There are also different formats and some formats can be outdated.  Resume Writing Service can give you samples of different formats of resumes.  They know which is the outdated to the updated ones.  So being able to make use of this type of service will give that much needed advantage among all your competitors out there. And let me tell you, you have a lot of competition. You need to get your paper out of that applicant pile into the prospective hirees pile.