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Shine is the activity tracker that Ives and Co at Apple would've made. $50 for a waterproof, quarter sized tracker that is made out of solid aluminum. It tracks steps, swimming, biking, and much more. I hope that this gets funded and is as slick as it appears.
Lapka Environmental Monitor is a tiny, beautifully designed personal environment monitor that connects to your phone to measure and analyze the hidden qualities of your surroundings. With the four included sensors you can test radiation levels around you, detect electromagnetic fields, test produce for harmful nitrates, or gauge the humidity in your home.