How Instagram’s algorithm works

Instagram users were missing 70 percent of all posts and 50 percent of their friends’ posts before the app ditched the reverse chronological feed for an algorithm in July 2016. Despite backlash about confusing ordering, Instagram now says relevancy sorting has led to its 800 million-plus users seeing 90 percent of their friends’ posts and spending more time on the app.

Yet Instagram has never explained exactly how the algorithm chooses what to show you until today. The Facebook-owned company assembled a group of reporters at its under-construction new San Francisco office to take the lid off the Instagram feed ranking algorithm.

Instagram product lead Julian Gutman explains the algorithm

Instagram’s feed ranking criteria

Instagram relies on machine learning based on your…

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