One time my son was asked by his English teacher about his dadâ€™s job. My son said his dad is working in a publishing company as pre-press manager. The teacher didnâ€™t ask further. But for my sonâ€™s information, I explain to him that part of his dadâ€™s job is to maintain an archive of all printed materials in portable digital file (PDF). These files are distilled and converted into PDF. You can just imagine how big these files are and retrieval is difficult without a systematized method. My husband is using a pdf page counter to manage the PDF archive. With a good PDF management system, file retrieval will be a breeze.