The MIT Media Lab has developed a new type of data tag called Bokode, which has the capacity to hold thousands of times more information than the traditional barcode. The name is a combination of barcode, and the Japanese term Bokeh, which refers to the blurred area around a photographer’s point of focus.
Bokodes are circular in shape and much smaller than a barcode -about 3mm wide- and consist of an LED along with a mask and lens. Information is stored in the light that shines through the mask, and can be read by taking an out of focus photo from [...]

As Piers pointed out earlier, the internet does not forget. If your information is being broadcast to everyone, you should at least control the content to the best of your ability. And with Squidder’s new Twitter Feed augmented reality T-Shirt, you can become a walking beacon for whatever you twit about. No longer just for your internet buddies, the shirt lets your thoughts pop out into the real world.
Printed on the front of the shirt is a kind of bar-code that contains your Twitter user name. When an appropriate sensing device (phone, laptop) is pointed at it, your latest Twitter [...]