Xbox has unveiled its latest gamepad , which it says is the smallest controller in its lineup. The Xbox Nano Controller is just over five inches long and weighs 3.5 ounces. It offers the standard Xbox controller layout in a more compact format. Xbox says the controller, which has a rechargeable battery, could be useful for younger players and others with smaller hands. It has an action button you can program via the Xbox Accessories app to, for instance, take screenshots or gameplay videos....
