When Kinect is equipped, you'll use a separate menu system than you've known on the 360. It's simpler, ditching tabs for simpler iconography. To load Netflix, you can wave to hit the Netflix button, or you just say Netflix.. Pause by telling it to pause or reaching in the air to grab a virtual pause button.
DEFINITION of 'Scarcity'. The basic economic problem that arises because people have unlimited wants but resources are limited. Because of scarcity, various economic decisions must be made to allocate resources efficiently.
The easiest way to distinguish between the two is that scarcity is a naturally occurring limitation on the resource that cannot be replenished. A shortage is a market condition of a particular good at a particular price. Over time, the good will be replenished and the shortage condition resolved.