Excellent presentation! Video quality: 100% Audio quality: 100% Content quality: 100% Avatar video: 80% Color quality: 100% Annotation tools: 20% Outline quality: 100% Streamlining: 100% Dress code: 100% Lovely appearance: 100% Correct Word usage: 100% Total dynamic image presentation time / Total video time: 100% Total author face presentation / Total video time>> best practice is >> Excellent!