Google envisions Google glasses which enhances users’ normal sight with computational information.  For an example, when you look up and at the sky, the Google glasses might tell you the weather information.  When you need to use a Google map, just speak out loud and the Google glasses will understand your natural language and pull up a Google map with complete direction.  Turn by turn direction?  Not a problem!  Furthermore, Google glasses can even snap a picture and allow you to either do a voice chat or video chat with friends.  How about email?  Not a problem!  So basically, you can do a lot by just wearing a Google glasses, and the only requirements you ever need are your own voice and the intelligence…