We got an official statement from one of Google co fonder, Sergei Brin, with details about Google glasses, the stage of the project, release date and more.
He affirmed that Google glasses is his main project for last 3 years and is his primary focus. "The Google project X". The project is trying to replace the computer and the mobile phone with one device ,really easy to access like those Google glasses. See more for video statement.
They want to replace the activities that you do on computer like reading mail, video chatting with people, Google search, activities that you do on a mobile phone now like talking with people, taking pictures of what you want, filming videos, and for sure the GPS tracking in one device. Google Glasses.