At first, I thought about how cruel it was to the animals. Then I remembered downloading an app for my cat, that would display a mouse moving from one side of t

At first, I thought about how cruel it was to the animals. Then I remembered downloading an app for my cat, that would display a mouse moving from one side of the screen, all the way to the other side until it disappeared. My cat loved playing with the app. She would search for the tiny mouse underneath my iPhone until it re-appeared on the other side.