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 changing the very ways we make up our minds, guiding us through a new digital reality whose evolution is bringing us closer to exactly what it is that we want — even if we ourselves don’t know it yet.

Recommendation systems (or RS for short) are intelligent information filtering engines that narrow the decision-making process to just a few proposals, and they’ve become an integral part of the user experience within some of our favorite platforms.

Just think about how different the experience would be if Netflix didn’t offer future titles to watch, or Amazon didn’t offer alternative products to purchase? What about suggested connections on Facebook and LinkedIn, or news recommendations on Yahoo? None of these would be possible without RS, and that’s just the tip of the iceberg.

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