that people refuse to think of when they think of augmented reality -- they just think of visuals. They think of three-dimensional shapes floating in the air that honestly will make people sick. There's a lot of vertigo associated with heads-up displays. There's a reason why Steve Mann has part of the heads-up display that goes into his eye at a 90-degree angle to the world. It's something he's gotten used to over time. But if you have the minimum amount of information that's needed to get the point across, then you have something really elegant -- an almost invisible interface that smoothly becomes the neural interface, or the sensory interface, of a person, that gets out of the way when it's not necessary and shows up when it is. I think that elegance in interface design is going to be the most important thing anyone is going to be able to do in the future. Every other crappy augmented reality piece of crap software that tries to tell you where to find the nearest Starbucks in 3D is really not useful. And I think those will go away. Although big, advertising agencies with giant marketing accounts will keep trying to do the same thing again and again and again, and it will keep on failing. And all you have to do is go back in time, over the past 30 to 40 years, and watch the ebb and flow of the money going into startups that have tried to