As DOGs become older, the learn program will recognize all situations. You can't program an old DOG new applications. DOGs like to have their own toys. They often have hobbies, such as CAT watching or digging holes. If you properly care for your DOG, it will give you years of loyal service.
Many users get a second unit.
Most users don't need the extra capacity, but multiple units enable the ability to run complex games. User Groups DOG users can find other users and the DOG faq on the Usenet newsgroup rec.pets.dogs. The Ctrl key on some DOG units is defective. This may lead to serious performance problems. Do not install a new CAT unit at a site which has an operational DOG unit.