Glossary
Whatis the algorithm?
The algorithm is the ranking system deciding which posts each person sees. It is not one rule but a set of predictions: how likely you are to watch, to engage, and to stay on the app because of it.
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What it rewards is fairly stable even as the details change: content people finish, come back to, save and send to somebody else. Everything else, including hashtags and posting times, is minor by comparison.
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