This is a great example of a practical application of augmented reality (and it’s not Pokemon Go, although that’s getting people into shape!): a sign translator, instantly converting signs into a language you can read. These sorts of applications will eventually be built into your car windshield, and overlay automatically while driving.
Air cooler from water bottles
This is really neat! Go go physics.
Tying it all together

Giggle that it’s used to target porn actresses, but facial recognition is a big threat to privacy in the coming future: I blogged in 2011 how when it reached the point where it can tie together social networks and websites (plus content, as in the actress’ case) and staying anonymous will be impossible. Tie in surveillance, CCTV, traffic light, and other cameras and – you can be tracked 24/7.