Jens Grubert is a researcher at the Graz University of Technology. He received his Bakkalaureus (2008) and Dipl.-Ing. with distinction (2009) at Otto-von-Guericke University in Magdeburg, Germany. As a research manager at the Fraunhofer Institute for Factory Operation and Automation IFF, Germany, he conducted evaluations of industrial Augmented Reality systems until August 2010. He has been involved in several academic and industrial projects over the last few years and is the author of more than 20 international publications. His current research interests include mobile interfaces for situated media and user evaluations for consumer oriented Augmented Reality interfaces in public spaces. He has over 4 years of experience in developing mobile Augmented Reality applications. He also initiated the development of a natural feature tracking system now commercially used for creating Augmented Reality campaigns. Furthermore, he is teaching University courses about Distributed Systems, Computer Graphics, Virtual Reality, and Augmented Reality. Dr. Raphael Grasset is a senior researcher at the Institute for Computer Graphics and Vision. He was previously Senior Researcher at the HIT Lab, New Zealand, and completed his PhD in 2004. His main research interests include: 3D interaction, computer-human interaction, Augmented Reality, mixed reality, visualization, and CSCW. His work is highly multidisciplinary. He has been involved in a large number of academic and industrial projects over the last decade. He is the author of more than 50 international publications, and he previously lectured on Augmented Reality and supervised more than 50 students. He also has more than 10 years of experience in Augmented Reality (AR) for a broad range of platforms (desktop, mobile, web), or programming languages (C++, Python, Java). He has contributed to the development of AR software libraries (ARToolKit, osgART, Android AR), AR plugins (Esperient Creator, Google Sketchup) and has been involved in the development of numerous AR applications.