System Design Interview: Recommendation System Design (As Used By YouTube, Netflix etc.)
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How to design a recommendation system is a popular question appearing in the most recent system design interviews for big tech companies. The reason is simple. Recommendation systems have become very important over the past few years. Amazon, Netflix, YouTube, Hulu, Instagram and several other companies have their own recommendation systems to make different kinds of suggestions to their users. Different types of algorithms are used to track patterns in the kind of data utilized by the users on the application, to suggest the most relevant material to each user from a large…
