Wired points out that Apple's HMD patent is broad, which could prove to be a benefit over Google's patent for its Google Project Glass, which is specific to the device it has created. However, Apple may decide not to use the patent to create a new device, but instead to prevent its competitors from doing so.

its Project Glass heads-up display glasses in April, and allowed select developers to pre-order advanced prototypes of the device last month, which will be shipped in early 2013. Google claims that the glasses will be available to consumers in 2014.