How is Machine Learning Beneficial in Affiliate Marketing?

In earlier days, word-of-mouth was a powerful thing that was used for promotional purposes to get the revenue going. As time passed, affiliate marketing became an important component for revenue generation. Today, machine learning is being used effectively for various marketing strategies. Most of us use mobile devices to surf the internet for shopping or many other things. Here AI comes into picture, which is used to gather a variety of information around customers.