Artificial intelligence has started to appear almost everywhere in our lives. We enjoy its benefits, such as the speedier discovery of new drugs, or the more personalized medicine that results from its amalgamation of data and expert judgment, often without realizing it. Generative AI, which enables the fast creation of content and automates summarization and translation via tools such as ChatGPT, DeepSeek and Claude, is its most popular form, but AI is much more: its techniques, mainly from machine learning, statistics and logic, help generate decisions and predictions while being guided by goals set by users.