As a further example. If you were thinking about buying a house, but you wanted to know what the property tax rate actually is at that exact location and how much the taxes would likely go up to if you paid the asking price... these services will find this out for you.
You could do this using Google, but these services make this type of research much easier.
But what if AI and chat bot turned into HAL (from “2001”) and tried to mess you up instead?