I am guessing that not everyone knows what I am talking about when I casually throw out the words Augmented Reality - this is the ability of an application to take something like a photo or a video or merely a glimpse through a camera lens, combined with your GPS-sensed location and layer on additional, potentially useful information.
Here are some examples below - ripped directly from GigaOm. (Thanks for the tip, Scholly!)




So you can use this kind of info to help you find the subway, get recommendations at a restaurant, etc.
But with all the hype over Augmented Reality, you might imagine that things could get a bit out of hand. And they have. According to AdFreak, this little video showcases the crazy imagination "from London architecture student Keiichi Matsuda, who envisions just how bizarre your life might look in the not-too-distant future—a logo-dominated age in which every structure and visual space is aglow with advertising and the insignia of global commerce is woven into all aspects of your existence."
Augmented Reality Overdrive. And I already have a headache. No thanks. Pass on this one.