YouTube offers consumers who upload movies insight in the behavior of the viewer of the movies. Important for this is the feature 'HotSpot'. This gives insight in which fragments people find interesting and which they cease watching.

Future Vision by Erwin Van Lun on this article

Shaping virtual experiences will start to react more and more to the participant. Now we measure, learn and can adapt. But it remains static. Soon videos will be built up dynamically (animated), we’ll watch the emotions (and other feedback) of the viewer and use that to shape the rest of the video. Just like a storyteller in the old days knew how to feel out their audience. This is a step in that direction.

• in Dutch