While some apps have become highly essential on our devices, recommendation systems have become important for them to sustain their dominance in the market. Apps like #Netflix, #Spotify, and #AmazonPrimeVideo have become users’ first choices for the spot-on recommendations they bring to their audience. While the attractive packages and endless content options to choose from have made users happy to have access to these apps, how are these apps ensuring the satisfaction of their audience? What is