The typical use case for Spectacles, at least as I see it, is a little different though. Spectacles is much more like a Go Pro, in that I will be out doing some kind of activity I want to share with friends. People also typically don't wear sunglasses indoors, my expectation of privacy is very different outdoors vs indoors.

The approach with Google Glass was very different, where Google were arguably prototyping a device intended to be worn all the time, including indoors and in scenarios were people typically would not normally expect to be photographed or filmed.