CIO (Dec. 2) -- Early Google Glass adopters, called "Glass Explorers," already praise the Internet-connected eyewear's potential for surgery, firefighting, identifying criminals and much more. However, there are some concerns that wearing Google Glass may compromise the safety and health of its users, especially when walking, biking, or driving. Google Glass Explorer Charles Webster, who has an M.S. degree in industrial engineering from the University of Illinois, Champaign-Urbana, says he doesn't feel wearing the headset while walking is inherently unsafe.