G cloud. Well there's the major difference between past technologies, as well as most present ones. In most other devices anything recorded was for your own personal use, not to be uploaded to a commercial advertising company for profit.
@theblackout -- Thanks for that link. I watched it and many others videos related to it in the sidebar -- comedy hour. There was one really good 5:30 minute one titled 'Google Glass Can Kiss My A$$' -- especially the last 1/3 of it when he shares his thoughts rather than just commentary of what he's observing.