Earlier quoted context omitted.
I don't think it'll be too different from pulling out your phone from a politeness standpoint. This is the point a lot of Glass proponents don't seem to get. They assume that not paying attention to you whilst looking at your face is somehow more polite than looking at your phone. It's not. I suspect that over time Glass will become like Bluetooth earpieces. Perfect for use alone but a faux pas around other people.
A couple of differences. First, vision is much higher bandwidth. You can glance at a notification and immediately know that you have a message, who sent the message, and how you received it. Takes half a second. Bluetooth earpieces are only suitable for sustained conversation. They are social faux pas because you are having a sustained conversation with someone else. This is not the case with HMDs - someone using a t…
It's like this: you tell a friend about this cool new software but he thinks what do eat. Someone else tries to explain something to you but you figure how to solve that software bug.
When I was 16 or so, I stopped wearing a watch. Because so often I just looked at this watch, even when time did not matter so much. But this reflex raises your stress level. When I looked more often at the watch I remember people asking me whether I was in a hurry or something. Maybe I'm a bit extreme about that, but the fact is this: more multimedia, more distraction, more stress. Even more when we are talking about push updates.