Here is Volumentals sales pitch:
Volumental is the world's first cloud-based 3D scanning service. Volumental's online service lets anyone create 3D models of people, objects and rooms. With only a few clicks you record a short film that we convert into a 3D model within minutes. The models can easily be shared online, downloaded, edited and printed in 3D or used in virtual environments. Volumental offers tailored solutions to solve companies' specific needs for simple and robust 3D scanning.
If you are interested in 3d scanning with your Kinect controller, also check out Scanect: