Inventions of the Young and Geeky

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The young entrepreneurs on this year's 30 Under 30 list love to make things. From Lark, which makes wearable wellness monitors and Orbotix, which makes a robotic ball called Sphero that is tablet or smartphone-controlled, to Leap Motion's new 3D motion control device that allows users to control their computers by pointing a finger or waving a hand, check out these cool products.