Machine learning actually used to create the automated systems that can work itself without human interference. However, the AI-based machines also works automatically and machine learning is an integral part of AI helping engineers to develop automated models.
Over the past years machine learning services process has helps AI developers to create many applications for different industries to work with automated system and serve their customers in more efficient and faster ways. The few of examples are automated email response, customer support through chatbots, virtual assistant devices, sentiment analysis, online search relevance and other repetitive tasks that can work itself while learning the behavior of users.