Google would not comment on why testers have to pay $1500, nor will it be the cost of glasses when they arrive on the market, but only gave a few statements of users who say how are they going to use this product. One of the users intends to handle Google Glass glasses in veterans' hospitals to help his soldiers who had fought in the Second World War. His idea is that they could tell to camera on glasses their memories before they die.

Another customer wants to wear glasses during her trip to Japan so she could take pictures and movies, and share them with their grandmother in the U.S. who was born Japanese, and in that way give her a chance to virtually visit her homeland, while a zookeeper said it would use glasses to show people how penguins eat.

Among the interesting statements Google cites the example of a person who wants to use this technology to create a map of an inside of the building, which will assist firefighters in the event of intervention. Google states that the "Explorer" version of the glasses will help engineers to better understand how this technology can be used, and to make any changes before they reach the mass market, which according to some rumors should happen late this year or in early 2014.

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