Keeping this information in one location with security and the ability to assign responsibility and required dates can streamline your ability to manage a project. This information compiled in this format can also keep you out of most litigation cases. The key is to be consistent on how the data is entered and the frequency of entering the data. You know the saying, "he who shows up to a litigation case with the largest, most organized pile of paper wins." PCM allows you to have a very large and very organized pile of electronic paper.
In the next chapter we will be looking at the out of the box connection of the Primavera products P6 and PCM. While this functionality is available, it is not what is expected of the project management community.