As I have stated before, GPS-aware portable always-on internet gadgets are coming, and they are gonna change everything. Imagine this for an invention: a pair of glasses that use the already-existing technology of transparent displays to superimpose all kinds of data onto your field of vision. Now, imagine an accelerometer (like the one in the hugely cool nunchuk controller for the Nintendo Wii) built into the glasses that allows software to figure out which way you’re pointing your face. That, combined with GPS integration, allows the glasses to look exactly what parts of the world you are looking at, and from which angle.
Now, simply super-impose hyperlinks onto different objects using the transparent displays. Looking at an old cathedral, for instace, will automatically and seamlessly superimpose stuff like where a red marker where the entrance is, which way to when inside and clickable infoboxes on the stain-glass windows.
Clickable? Sure! A small webcam in the glasses records your gestures and translates you pointing at a link in your field of vision into a command to follow the link. The upshot of all this is you get to walk around and have info all over your world, which you can point at in a completely intuitive manner and get more information. It is the Completely Ubiqitous Web. Imagine getting information abour specific products in a supermarket by clicking a box of cereal and allowing the picture recognition software in the glasses do the rest. Or point at a wall and change its color to see what it would look like. Have an online Counter-strike style game add virtual players into the real world, ducking behind objects and running down real streets. The possibilites are endless.
Just to give a more concrete example of what this kind of technology is capable of, imagine The Ultimate Sniper Rifle. It is wired up to the Web 3.0 and this is how it works: You look through the gunsite as usual, but the gunsight is actually a small LCD screen which has adjusted your aim, so you’re actually aiming at what you’re going to hit. The rifle takes the wind into account (downloaded from real-time weather reports), the direction you’re aiming (from the GPS and accelerometer) the distance to the target (acquired by bouncing off a ultrasound wave, or, if you’re cool, by wirelessly hacking into the target’s web 3.0 gadgets and getting their GPS position), the elevation needed, the humidity in the air, the coriolis effect, bla bla.. there isn’t a factor the rifle wouldn’t be able to take into account. All these factors are fed into the sight and used to adjust the image so all you need to do is line the cross-hairs up and the bullet hits the mark every damn time.
See what this can do? I say 2015 and we’re there.