Glossary · Content formats

What are reels?

Reels are short vertical videos, typically 15 to 90 seconds long, presented in a full-screen feed that the viewer swipes through one after another. The format was popularized by social apps and is now built into many streaming apps.

How a reels feed works

The app opens straight into a video that starts playing with sound. A swipe up brings the next one, already preloaded so it starts instantly. Each item can carry a caption, like and share buttons, and a link to something longer.

The order is chosen per viewer, favoring items similar to those they watched to the end.

How streaming services use reels

  • Discovery: clips and trailers that link to the full film, episode or live event
  • Daily habit: something new every time the app is opened, even between releases
  • Free tier: a feed open to everyone, with the full catalog behind a subscription
  • Advertising: ads placed between items
  • Creator and community content alongside the professional catalog

What makes a good reel

  • The first two seconds decide whether it is watched
  • It makes sense with the sound off, through captions
  • One idea, one scene, one moment
  • A clear next step: watch the full title, follow the series

Reels and the rest of the catalog

On a streaming service a reel is rarely the product. It is the shop window. Measure a feed by how many viewers it sends into long-form titles and how often it brings them back to the app, as well as by time spent in the feed itself.

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FAQ

Reels, answered.

More definitions in the streaming glossary.

Planning a streaming service?
How long is a reel?

Usually between 15 and 90 seconds. Shorter items tend to be watched through more often.

Are reels the same as short-form video?

Reels are one form of it: standalone short videos in a feed. Short-form video also includes serialized episodes such as microdramas.

Does a subscription service need a reels feed?

It is optional. It helps most where viewers struggle to choose from a large catalog, or where the service wants a reason for daily visits.

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