Memory Spot, a technology devised by the research division of Hewlett-Packard, is a self-contained storage device with a radio and processor that sticks to photos, documents or cards. The device is about the same size as a shirt button, but thinner. Here is a memory spot in a card.
A Memory Spot on a card, and the photo that is preserved on the actual device.
A Memory Spot on a hospital wristband. The spot could contain a patient's medical record. Because data can be rewritten, a doctor or nurse could update the records on a visit.
Howard Taub at HP Labs shows off the data contained in the Memory Spot on a wristband.
A Twiggy-like fashion shot featuring a memory spot surrounded by pencils.