Knowledge is more easily conveyed, exchanged, and retained with a high level of natural user interaction. E-learning and shared-working providers are developing novel interactive applications based on this principle. 3D image processing permits intuitive gesture control for the precise interaction between the user and the software. Currently, the depth perception required for this purpose is simple to integrate into mobile devices with small 3D modules for immersive user interactions, and an intuitive user experience. This article shows how only 3D enables this interaction and shows the advantages of modern 3D technology for developer and companies seeking for cutting-edge ways of collaboration.