[lnanek]

They said during the key note that they are lighter than many sunglasses. Many of the team were wearing them when taking orders as well. So they are trying to show off they are natural and easy to wear.

Brin also said they do a lot more than share and view video feeds, but it is tough to show. I imagine they at least replace your mobile phone and headset, at the minimum. Consumers gave up cameras for their new smarter phones, and this can be positioned as just an even smarter phone doing more.