In the original Google Glass video the protagonist takes a picture of some wall art and shares it with his circles on Google+ with a simple voice command.
Cool, right? Too bad Google Glass isn’t available right now (Ingress players would probably be over the moon) so everyone could do that sort of thing. But wait: Google updated the Search app for Android. It’s not quite the same, but from the Google Now screen, you can just say “Post to Google+” and a voice prompt appears to take your words and send them along. If you think Google Now is looking more and more like the Glass concept without the headwear, you may not be wrong.