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\subsubsection{Concurrent access and manipulation of interface components}  Unfortunately, one of the limitations of our system is that devices cannot be operated concurrently. This is a software limitation and given more time this could be developed such that concurrent usage would be allowed.  \subsubsection{Strong specific devices}  Each individual component has a specific task that it acheives, and it can achieve only that tasks. Due to this we agree that we have met this objective.  \subsubsection{Spatially aware computational devices}  Our components are at the moment spatially unaware of the surroundings. In future revisions this could easily be addressed to include more interaction with the physical environment.  \subsubsection{Spatial re-reconfigurability of devices} At the current moment in time, our devices are only functional for one specific purpose and cannot be reconfigured spatially. Again this is something that could easily be addressed in future developments of the system.  \subsubsection{Conclusion on tangilbe interface eligibility}  Even with the current system's limitations, we believe that our product constitutes a tangible interface and provides all the necessary interactions between system and user to qualify for this.