At Mobile World Congress this year, 93% of those surveyed said that machine learning (ML) and artificial intelligence (AI) will be a game-changer and that, within three years or less, 76% of telco operators will have incorporated these technologies into their businesses. With recent innovations speeding up ML to analyze bigger, more complex data and deliver faster, more accurate results, it is becoming an indispensable tool for network automation -- and for improving operating efficiency. Machine learning can also be a valuable technology in improving the security and quality of the overall user experience. This is especially important considering the strains high definition streaming video is putting on mobile networks, the amount of m-banking, payments and other mission-critical applications that are vulnerable to cyberattacks and the amount of potentially harmful content on the internet that is easy for children to access. Here are five ways that artificial intelligence can be used to improve the user experience and security.