The document discusses flipping the classroom model of education. In a flipped classroom, students gain content knowledge at home through videos and other media so class time can be used for discussion, exploration, and experimentation. Teachers provide content through various modalities to accommodate different learning styles. Flipping benefits students by providing multiple ways to gain knowledge and understand concepts. The document recommends free or low-cost apps and programs teachers can use to create videos and facilitate flipping the classroom. It also provides examples of how students can create videos to demonstrate their understanding.