The document presents a session by Nabayan Roy at #lavacon on augmented reality (AR) and its transition from 2D to 3D documentation, covering the core components of AR and the challenges faced in industries like maintenance, repair, and overhaul (MRO). It highlights the need for contextual information and the advantages of creating 3D content using CAD tools, emphasizing a streamlined process of content creation, mixing, and publishing. The session concludes with trends toward mobile AR applications, easy-to-use authoring tools, and the importance of compelling content in enhancing the AR experience.