MIT’s New Bar Code

The latest spin on bar coding is a tiny optical tag cooked up by the MIT Media Lab, Cambridge, Mass., called the bokode

The latest spin on bar coding is a tiny optical tag cooked up by the MIT Media Lab, Cambridge, Mass., called the bokode.

With a diameter of only three millimeters — about the size of the @ symbol on a typical keyboard — the bokode information can be captured by an ordinary camera positioned several meters away. And it holds far more data than a conventional bar code.

Oddly, the information in the bokode is determined by decoding an out-of-focus photo taken by a camera.

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