https://de.wikipedia.org/wiki/Imagefilm
https://de.wikipedia.org/wiki/Tongestaltung
https://wistia.com/learn/marketing/does-length-matter-it-does-for-video
https://www.om-mag.de/perfekte-laenge-fuer-videos/
https://www.talkingtreecreative.com/blog/video-marketing-2/the-impact-of-video-length-on-engagement/
https://fairfleet360.com/
