I think that there is also the perceived friendliness that goes both ways.
+The author seeing audience helps in giving feedback. It is easy to leave out hard steps when you do not have to see the blank faces.
+The audience also benefits by increased communication through non-verbals signals. Such as cues in what parts are extremely important and the like.
I think that there is also the perceived friendliness that goes both ways.
+The author seeing audience helps in giving feedback. It is easy to leave out hard steps when you do not have to see the blank faces.
+The audience also benefits by increased communication through non-verbals signals. Such as cues in what parts are extremely important and the like.