Excellent presentation! Video quality: 100% Audio quality: 100% Content quality: 100% Annotation tools: 100% Color quality: 100% Presentation tools: 100% Outline quality: 100% Consistency and coherence of the context: 100% Technology improvement: 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!