I would suggest when looking at video, if you are unsure, try watching the video of the person talking with the sound off - a massive amount of communication is non-verbal and if you eliminate the 'noise', you might pick up something that you previously did not see.
I would suggest when looking at video, if you are unsure, try watching the video of the person talking with the sound off - a massive amount of communication is non-verbal and if you eliminate the 'noise', you might pick up something that you previously did not see.