Information Evaporation

Have you noticed that knowledge about IT systems seems to evaporate over time? I’ve seen quite a few systems where the only knowledge left was a few pages of yellowed paper in a dusty binder.

Information EvaporationHowever, in some application systems, this does not happen. Why is that? Because the information about what the system does is stored in the code.

Keep system documentation inside your code to prevent information evaporation.