A Sony patent describes wigs that can contain a camera, sensors, and feedback mechanisms, so your wearable tech will be out of sight. If your wig looks like real hair then nobody would know you were tech-fitted. They propose some possible uses for this idea, from helping you navigate to measuring your blood pressure. News link "Wearable gadgets are definitely going to be one of the big areas of growth over the next two years," Andrew Milroy, an analyst with consulting firm Frost & Sullivan, told the BBC. "And Sony - which is trying to regain some of the sheen it has lost in recent years - clearly understands that and wants to play a major role in the sector." The Japanese firm said the wig could be made from horse hair, human hair, wool, feathers, yak hair, buffalo hair or any kind of synthetic material.Who would have thought that yak hair was the alternative to Google Glass?