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Draft 3: https://docs.google.com/presentation/d/1K5DbRZmS4_k0oNE7xGppCaYhBKyKD2WbwnakNpxZqg0/edit?usp=sharing
Final Prototype Nov 4, 2019: https://docs.google.com/presentation/d/1VhKQyGmsCcGD-gnn3j-0v-_n_QZkcaWQXs_vpKE7Q8o/edit#slide=id.p
Costing & Viability
Brainstorm board: https://boardthing.com/board/5d961539c4ed6d06207b9fc3 (started with notes 3 Oct 2019)
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