xPresso and Mograph would be no doubt my two favorite features in Cinema4D. With a few simple steps you can build really complex and cool graphics with a tremendous amount of control. The tight integration of Mograph with all C4D tools are what makes it the greatest software for Motion Design to date. There is no equal in the field.The learning curve is small and any Designer can get up to speed with it within a few days.

Its very easy to use. Many interesting designs can be easily made pretty quickly. Its each variant is streamlined for particular function. You can do almost everything from procedural modeling, animation, texturing, lighting, rendering, polygons. It can be integrated in a work flow that can include Adobe After effects. It will never crash.

Can create brilliant assets for implementing inside motion graphics, AR in particular