As CATs become older, the learn program will recognize every situation. The CAT may become too smart for its own good. CATs like to have their own toys. They often have hobbies, such as bird watching or studying tropical fish. If you properly care for your CAT, it will give you years of loyal service.
Many users get a second unit.
Most users don't need the extra capacity, but they enjoy the ability to run complex simulation games. If the user will be absent from the host site for an extended period, provision for CAT maintainence must be provided. This may cause errors in user-associated CAT programs. Some reprogramming may be required. Onsite maintainence by contractors.