The document discusses the differences between 20th century education models and 21st century learners. It notes that traditional teachers often teach the way they were taught, but today's students may learn differently. Specifically, it outlines that while old learners were more passive and competitive, new learners are hands-on, collaborative and prefer non-linear learning. Additionally, 21st century learners are used to learning with technology and accessing information from various online sources. The document advocates that educators should understand how today's students learn best and leverage technologies to enhance and visualize learning.