I remember one the first presentations where the chalkboard wasn't used. The overhead projector! Those plastic overlays where a teacher could actually animate a stick figure with a grease pencil was amazing to this impressionable 2nd grader! No more SCREECH on the chalkboard, no more white powdery fingers!
Then came the whiteboard. Aptly named, (the marketing folks outdid themselves on this one) the whiteboard gave us the ability to use different colors, enhancing our experience (not to mention the fumes, and yes, I passed on the previous chalkboard reference) and giving a perceived increase in ability to make changes. Erasing a white board could be done with a single wipe as opposed to the considerable effort required of a chalkboard or overlay. The problem with all of these technologies was that it required a relatively small audience and a good steady hand. From my video presentation last week, this was demonstrated by my left-handed penmanship trying to scribble on an easel. Thank goodness for PowerPoint! It eliminated my fear of exposing my poor handwriting. No more jealousy! (seriously, I hated giving presentations mostly because of my handwriting)
PowerPoint 1.0 was little more than a whiteboard - further versions provided enhancements to allow embedding audio, video, run external applications, browse to live websites, trigger external events, etc. What's next? 3-D perhaps, Holo Lens from Microsoft is an exciting technology that gives a user a virtual experience in an augmented reality. Here's an example (opens in new window) Hololens Teleports NASA Scientist in TED Talk Think of 3 dimensional overlays in your real world. Learn to cook with a virtual chef showing you how to measure, stir, and flip an omelet!
Maybe it's touch sensors that enable you to experience the texture of virtually anything in the world. Anything that tickles the senses is fair game for the future of presentation technology!
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