Google Glass Diary, Part 3: How Search Works On Google Glass

There are seven voice commands built in to this first “Explorers” edition of Google Glass. Two of those six are search-related: “google…” and “get directions to….” The others are “take a photo,” “record a video,” “send a message to,” “make a call to” and “start a Hangout with.”

There’s also the predictive search aspects of Google 

Source:http://searchengineland.com/how-search-works-on-google-glass-160112