WonderVision gives Reactrix some competition

Just ran across this cool blog post about WonderVision, a digital signage offering that (presumably among other things) can project an interactive image onto the floor for customers and random passers-by to interact with. Here's a video clip of the system in action:

As you can see, it's not necessarily destined for retail locations, though the firm claims some benefit (mostly based on the novelty factor, since I'd think it would be hard to shop by dancing around on a 10x10' section of showfloor to get product information or check out).