But that's the point of Glass. You don't have to stand with your phone in front of your face to watch the concert anymore. You just have Glass record it. And you're watching the concert as you've always done it. Glass frees you.
Attention. Split. Down. The middle.
This is a choice you make. You're making it for the sake of your argument, then presenting the argument as if everyone will make the same choice.
You shouldn't; I won't.
You can wear them only when you have something interesting to share.