At The Pepcom Digital Experience event at CES 2012, the theme was western and the gadgets were wireless.
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Sphero is a robotically controlled ball that can be controlled from your iPhone, iPad or Android device, via Bluetooth. About the size of a tennis ball, Sphero can be rolled wherever you want to drive it. You can also set the color of the translucent ball so that you can devise games and keep track of whose ball is whose.