https://joy.videvo.net/videvo_files/video/free/2020-01/large_watermarked/191211_Green%20Screen%20Business_4k_027_preview.mp4 Male Finger making scrolling gestures on green screen A man's hand appears and makes a scrolling gesture on screen with a green background armbackgroundbusinessbusinessmanbusinesspersonbuttonchromaconfidentcorporatefingergesturegreengreen-screenhandhumanisolatedkeymalemarketingone handpeoplescreenscrollsmarttechnologytouchwork