Google Glass update lets users wink and take photos
Google has introduced a new feature to its Google Glass, which allows users to take a photo with a "wink of the eye".
Google said the feature was faster than the camera button or the voice action and works even when the display is off.
The update to Google Glass, dubbed version XE12, also adds a screen lock feature and the ability to upload and share videos on YouTube.
Technology firms have been keen to capture the wearable gadgets market, seen by many as a key growth area.
"Glass is about helping you look up and experience the world around you without getting bogged down by technology,