What is the old saying about the word assume? It goes something like "don't assume because you make something out of you and me?" In our environment, as people that work behind he microphone in podcasting, video, or radio, there is a natural cognitive train that assumes your target knows what you know. Our brain does this to make connections in conversation that are meaningful and efficient. The act is kind of like breathing, we just don't think about it. I think you should... think about it. Take a look.