Google Glass, a sometimes controversial wearable device, has potential to change the way people interact with technology. It's Google's second independently created hardware device that straps the equivalent of a Galaxy Nexus phone to your head in a very compact form factor. For the large time that Google's Nexus line of hardware has been around, all (except the short-lived Nexus Q) were assembled and co-branded by other companies such as HTC, Samsung, and LG. The only difference between Glass and a phone is that Glass has no cell phone radio and a smaller battery (~570 mAh). This means that you can't make calls directly from Glass or get 3G/4G data directly to Glass, but you can still use it as a bluetooth headset and tether Glass to your phone for data. Glass can also connect to wifi for those who want to conserve their data usage. Just to be clear, Google Glass is most often referred to simply as Glass, not glasses or a pair. There is only one set of the device's electronics, so it's not really a pair. Google is also working on Google Goggles, an app that lets you run a search based on a picture.
