Augmented Reality: the magic problem

*Well, yeah. The Augmented Reality metaphor is "magic," and in reality, magic doesn't exist. And is that a problem? Yeah, a whole bunch of 'em:

http://www.genebecker.com/2009/09/thinking-about-design-strategies-for-magic-lens-ar/

(…)

"Less-than-magical capabilities

"Compared to our expectations of magic lenses, today's GPS+compass implementations of mobile AR have some significant limitations:

"* Inaccuracy of position, direction, elevation - The inaccuracy of today's GPS and compass devices in rea