1.How many lines per screen was a normal TV picture? How many in high definition?

2.Why is cue pickup especially important in radio drama? Why doesn't TV have the same liability?

3.Where did early radio performers come from?

4.How did early TV cameras zoom in on a subject?

5. Why wad it so hot in early TV studios?

6. What is "content creation and why is it rare on the internet?

7. how does a content creator find an audience?

8. What non-literal contract does a content creators make his or her audience?