Summary
That article tells you on how they animate the movement of the short scene and how they change it from 2D to 3D. They build models of money so they can use it on the scene and make it look like a big stack of money. They throw money so it can look like its falling on to the stairs , which they call keying. They also show you how to make somebody move and for that you have to put them into pieces and make them look like there throwing money. At the end they show you how it looks put all together and with color and how it looks in 3D.
