Recommendations we get from websites about what to buy are often powered by an algorithm known as collaborative filtering. We trace this technology back to one person trying to declutter his inbox.

Everyday decisions, from which products to buy, movies to watch and restaurants to try, are more and more being put in the hands of a new source: recommendation systems. Recommendation systems are ...

Whether we’re using Spotify, Amazon, Netflix or Instagram, we encounter algorithms that recommend content or products to us every day. In 2017 Netflix stated that its users discover around 80 percent ...

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