deletions | additions       diff --git a/tangibleUI.tex b/tangibleUI.tex  index a3f93c7..82b4cec 100644  --- a/tangibleUI.tex  +++ b/tangibleUI.tex 
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\subsection{Tangible User Interface validity}  There are 5 basic defining properties in order for a system to be considered a tangible user interface\cite{Kim_2008}. Here we will assess each one in turn and establish whether the system developed is a tangible user interface or not.  \subsubsection{Space-multiplex both input and output}  This can be generalised to a physical to digital mapping. A good example of this can be a computer mouse where there is a clear mapping of physical to digital movement. Our system demonstrates this in every action that is performed and so we believe that our system successfully meets this criteria for input specifically. However, physical output of the system is NOT included in our phidget Phidget  controller and so this criteria is therefore only partially met. \subsubsection{Concurrent access and manipulation of interface components} 
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\subsubsection{Strong specific devices}  Each individual component has a specific task that it acheives, achieves,  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 by adding sensors attached to the main interface kit.  \subsubsection{Spatial re-reconfigurability 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 tangible  interface eligibility} Even with Given  the current system's hardware  limitations, we believe that our product constitutes it does not currently constitute  a tangible interface and provides all interface. With proper concurrency, we could satisfy most validity criteria. In addition, to make  thenecessary interactions between  system a true representational tangible interface, we could embed the RFID tags within objects representing locations in the world. This would allow users to directly interact with real world models,  and user be taken  to qualify for this. their counterparts in Google Earth by scanning them.