[azinman2]

"Having this device in your ear -- maybe connected with something visual, who knows? -- can enable people without any formal training to do things they couldn't do before. Someone untrained could be shown how to build a house, for example, and it will protect them when they are doing it."

There's no reason that stuff couldn't be done with your Android/iPhone and bluetooth headphones. I think this project is cool, and I hope they ship something good, but honestly if the future is all kinds of speech interfaces the tech to make that possible is already available.