Many Science Fiction authors have discussed in many works the issues with robotic assistants and companions. Today we see DARPA awarding a contract to a group of artificial intelligence software gurus to put together a computer assistant, which can read any manual and then explain in human terms what it says. This assistant would be near a human during equipment repairs or preventative maintenance during operations. In the movie Artificial Intelligence you will remember the boy robot was read certain words in a certain order to activate a love program for bonding to the human. In Isaac Asimov