https://en.wikipedia.org/wiki/Google_Glass
see also
https://tw.news.yahoo.com/%E4%BD%A0%E4%BB%A5%E7%82%BAgoogle-glass-%E5%92%8Chololens-%E7%9C%9F%E7%9A%84%E6%B6%BC%E4%BA%86%E5%97%8E%EF%BC%9F-012422416.html
https://buzzorange.com/techorange/2017/07/19/google-glass-enterprise-edition/
