Do you remember when school used to be a place? Do you recall going to a building, finding a classroom, locating your desk, and sitting in your row for an hour, or maybe seven? You probably had breaks to go out onto the playground in elementary school, the soccer field for PE in high school, or to your job to pay for college tuition.

And how about your teachers? They mostly stayed in one spot, normally in the front of the class, lecturing and maybe facilitating some group work. They wrote on backboards, and then whiteboards, and then interactive whiteboards. The best days were when you got to go on a field trip. We boarded a bus and journeyed to the post office, the aquarium, an old mining town, and other local destinations. We watched movies on film, videotape, or later, DVDs, the quality improving over the years.

Learning used to be confined to a physical place. Now, it