The document discusses the differences between 20th century and 21st century learners and teachers. It notes that 21st century learners are more visual, hands-on, tech-savvy, collaborative and non-linear in their learning compared to older learners. However, many current teachers still teach using traditional 20th century methods. It emphasizes the need for teachers to understand how 21st century learners think and adapt their teaching methods to be more integrated with technologies and cater to different learning styles and preferences to improve the learning experience.