The silo approach to running an organization has been around for many years. It is the preferred method for users as they can then protect their information. They can run their own fiefdoms. Don't take the easy road; take the road that is efficient. The efficient road that works is the system approach where all information related to a project is in one location for the proper users to see and analyze.
In the next chapter we will be switching gears and looking at how to follow the money on your project using the system approach and PCM.