David Zune installed proprietary software into the "e;Earth Mother"e; robots. He also extended the Earth Mothers' vocabulary. This new vocabulary included the alternative meaning of how to "e;take care"e; of people. When the Zune Update went live at 00.01: 25-29-07-80 PST, the Earth Mothers immediately realised that they had failed in their prime directive of "e;taking care"e; of the children in their charge.