Spotify is media service provider which gives you access to millions of songs and other contents like podcast and video streaming. You can use the basic spotify which is free or be the premium user which is $9.99.
Its surprising that how it went from a small room app to a multi-million dollar music provider company. As the growth happened, they were using Hadoop but slowly they moved on to Spark.
What spotify does is it connects consumer with music products.
The behind scene of Spotify and how different platforms like collaborative filtering, ML, DSP, NLP are used to fulfill the need of consumers.
ML brings all the recommender systems together to create the best personalized playlist for the user.
How Spotify recommends? https://towardsdatascience.com/how-spotify-recommends-your-new-favorite-artist-8c1850512af0
The link below shows benefits of both Hadoop and Spark and why we need both.
https://www.knowledgehut.com/blog/big-data/apache-spark-vs-hadoop