When it comes to wearable technology, size matters. The computer at the heard of a wearable device needs to be small enough to fit onto something like a wristband or pair of glasses, but large enough to process complex calculations, connect to Wi-Fi or Bluetooth and have a decent battery life. Enter the Newton: This tiny new single-board computer is about the size of two quarters laid side-by-side, but it can run a full version of Android just like a smartphone.



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