Investments in artificial intelligence and its application now reach hundreds of billions a year. In 2020, investment in AI-based development grew by 40% to a record $67.9 billion, according to the AI Index Report. Current statistics show that most companies and patents related to Artificial Intelligence belong to the United States. At the same time, about 63% of consumers do not even suspect that they regularly use AI-based technologies. But how does artificial intelligence optimize marketing processes in the way of the buyer? Consider some of the most popular processes used by AI systems for optimization in email marketing.