Digital Graffiti is an innovative technology platform that was developed starting in 2001. It allowed virtual messages and information to be left like electronic post-its in any location. Using mobile devices such as PDAs (personal digital assistants), notebooks and later smartphones, these messages were retrieved on a location-specific basis and superimposed on the real environment…
INSTAR was a unique new approach to navigation systems (for instance, in autos) that went beyond conventional two-dimensional visualizations and utilized augmented reality.