basically like this: https://www.youtube.com/watch?v=JHGKPAgBpOg https://www.youtube.com/watch?v=JHGKPAgBpOg, where the developers are the ball, and demand is t

basically like this: https://www.youtube.com/watch?v=JHGKPAgBpOg https://www.youtube.com/watch?v=JHGKPAgBpOg, where the developers are the ball, and demand is the box