Our prototype and notes from our development and field tests. This document was produced as part of a project in course 15.980 - Product Design and Development - a core course in the System Design Management (http://sdm.mit.edu) program at MIT. We are sharing the information about the project under the Creative Commons (Non Commercial) license. Team members: Samuel Chow, Christian LaFon, Matt LaMantia, Spiros Lekkakos, David Schiller, Yoav Shapira, Eugene Xiao

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