Man is the creature who does not know what to desire, and he turns to others in order to make up his mind. We desire what others desire because we imitate their desires.
—René Girardi
Providing personalized recommendations is one of the most popular applications of machine learning. Almost every major retailer, such as Amazon, Alibaba, Walmart, and Target, provides some sort of personalized recommendation based on customer behavior. Streaming services such as Netflix, Hulu, and Spotify provide movie or music recommendations based on user tastes and preferences.
Recommendations are ...
