The video explains how the touchpad is located on the eyeglass frames between your temple and ear. You can "wake up" Glass by tapping the touchpad. You can manually adjust the position of the homescreen image so that it "sits" above your line of sight.
Operating Glass with the touchpad is pretty simple. With your finger, swipe back and forth on the pad to scan individual cards that make up the Glass timeline. Tap the touchpad to … Read more