An unnamed source has been leaking information that puts  Google Now at the heart of the Goggle Watch. If true, this would make a lot of sense when you think about the function of a watch. Back when phones were stuck to walls and you had to wait for the operator to connect you, checking the time used to be the best metric by which to take stock of your day. Google Now is designed to offer up more relevant moment-to-moment information for the modern user.