Sharing ideas visually is no new concept. A hundred years ago, teachers used chalkboards. Then, with the invention of the smelly, dry erase marker, we upgraded our boardrooms and classrooms with shiny whiteboards. Then along came old fashion projectors, and we wrote on clear plastic, shining the ideas up on a pull-down screen. Years later, the projector has gone the way of the chalkboard though, because now we have digital projectors!
“But wait!! you say. What about SMART Boards?!
If you are one of the nation’s benevolent educational leaders who has spent tens or even hundreds of thousands of dollars on SMART Boards, you should be swatted smartly on the wrist for wasting taxpayer dollars. Most of the functionality of a SMART Board, especially the functionality that teachers use, can be gotten from a digital projector shown on a dry erase board. And in most districts that have a SMART Board or two in each school, a digital projector could have been placed in 20 classrooms for the same initial cos