“…They can recognize places and faces and display information and social media profiles of people the smart glasses user is looking at. Smart-glasses are already applied in medicine, and are envisioned to have a wide range of applications in this field Moshtaghi et al 2015;Hetterich et al 2014;Mentler et al 2015;Klein et al 2015; S. Maas et al 2015;Rankin et al 2015), education (Ikonen and Knutas ;Labus et al 2015;Freina and Ott 2015), tourism (Harasymowicz 2015), social science research (Paterson and Glass 2015), navigation (Ostendorp et al 2015;Higuchi et al 2015), crowd steering (Borean et al 2015), activity recognition (Zhan 2014;Betancourt et al 2015) including diet recognition and food behavior control (Gemming et al 2013;Farinella et al 2014), mood (engagement) measurement (Kunze et al 2015), forensics (Karabiyik 2015), promoting cultural sustainability (Irving and Hoffman 2014), promoting teamwork and safety (Moshtaghi et al 2015) and they can also be used for military purposes. Prototypes and applications exist in several of these fields.…”