Looking for Google Glasses alternative? You can get something similar in the form of Pivothead Sunglasses which has integrated 8MP camera for video recording on the go.
It can capture HD video 1080p at 30 fps, 720p at 60fps and crisp still images with Sony CMOS Image Sensor. It has 8GB internal memory and support USB interface for transfer of captured videos, images on Mac or Windows PC. $299