How to benefit from feedback

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MP4 (Source) 1280 x 720 32.02 MB
MP4 (360p) 640 x 360 32.88 MB
MP4 (480p) 854 x 480 53.9 MB
MP4 (720p) 1280 x 720 74.54 MB
WEBM 854 x 480 34.08 MB