Touchable holographic images - Up and coming tech

I recently found and read this article about a touchable 3D technology.  Researchers in Japan have been working to improve upon the current 3D technology available.  Their work has been with glasses-free 3D, for one thing. They use retro reflective surfaces to projected  images that actually appear somewhere other than the light source. I am personally very excited for glasses-free 3D, as I wear glasses or corrective lenses on a day-to-day basis, and they generally do not play nicely with the 3D glasses necessary for viewing some films and games in the 3D format they were intended for.  Where these scientists have jumped ahead of their peers and competitors is the leap into touchable 3D technology.  They use an input interface with infrared sensors that can sense where the user is and work with the 3D output to allow the 3D objects and characters to respond instantly in real time to the actions of the user. Moving forward, they are looking to bolstering the interface with a sensor that will allow the user to experience tactile feedback, possibly in the form of a glove.

While I was a little disappointed after reading the article and then watching the video, this is still exciting technology to watch in the future.