Behind the Google Goggles, Virtual Reality
nytimes.com
nytimes.com
I do hope that they've factored this in to their sales projections.
This sentence sums it up: “It looks really weird to outsiders when you watch people navigate these spaces,”
I think most people will be too self-conscious to use this in public.
I could imagine several less-intrusive, very useful things.
Go to an airport/train station etc.. and have a user-specific glowing arrow showing you where you need to go next.
Go to a conference and have a social network overlay telling you everyone's names and what they do.
Or Sims style public intent-bubbles - say a waiter surveys the restaurant and can see who's ready to order/pay.
I agree initially it will be awkward, but overall even the strange good things eventually become normal good things.