Google Search for iOS has received an update; one of the new features allows iPhone users to commence a search using the app by uttering "OK Google." There's an interesting scene for you to consider. Someone is walking on the street, iPhone in hand, saying, "OK Google." That person might end up being Baker Act'd (Google it) by a concerned bystander...
Source: http://www.phonearena.com/news/Update-to-Google-Now-for-iOS-adds-new-cards-notifications-and-more_id49078
Source: http://www.phonearena.com/news/Update-to-Google-Now-for-iOS-adds-new-cards-notifications-and-more_id49078