FWIW, MIT students were experimenting with wearable computers MANY years ago, back when the technology was a lot bulkier even without consdiering that these were homebrew rigs, and “bemused hostility” does reflect how others reacted to them even in that community of technology fans. For very similar reasons; people weren’t comfortable with not knowing when the 'borg might or might not be recording.
As far as recording a birth goes: I’d be skeptical about carrying any camera into the delivery room. Both because it isn’t clear that’s memories anyone will want to review, and because if you’re putting any significant amount of attention into recording that’s attention that your spouse would prefer was focused elsewhere.
