A camera seeks a matrix code on each piece of clothing, and if it times out, a caregiver is notified. There is no need for an internet connection, nor should one be given.

Augmented Reality Tattoo Becomes Video, When Snapped On Smartphone. Snap a picture of the matrix code embedded into the tattoo art, and an animated film will play back on your smartphone.

Munchies spotted a CNET report on the origins of the green code that waterfalls down the screen as the movie—and its successors—opens by way of Simon Whiteley.

The post's description read: The iconic green falling code in *The Matrix* may seem like a deep, mysterious symbol of the virtual world, but in reality, it's based on something far simpler—sushi ...