White Papers are used in many spheres of life these days. Decision makers are known to commission a white paper to answer key questions related to policy making. Marketing departments are often required to write a white paper before they prepare their sales pitch. There are set formats for writing a white paper. Sometimes a question is asked, and the answer is given in detail. At other times tips are given on how a certain product is to be used or a certain process is to be followed. The help of technical personnel is often used when a white paper is written.