Modern-day organizations 𝐮𝐬𝐞 𝐀𝐈 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 to conduct intricate tasks in a fashion that is close to how humans solve problems. Four categories of machine learning: 1. Supervised learning 2. Unsupervised learning 3. Reinforcement learning 4. Semi-supervised learning