The document discusses changes in user interfaces over time as hardware prices decreased and internet speeds increased. Originally, users prioritized functionality over graphics due to limitations. Now, attractive interfaces are important. Technologies like HTML5, CSS3, and JavaScript allow visually appealing interfaces across devices like smartphones, tablets, and smart TVs. As the IT industry matures, interfaces have become more visual and clear to provide intuitive user experiences. Developing applications for different devices requires separate development teams and approaches.