Dutch designer Jelte van Geest has created an RFID-enabled chair that follows you wherever you go. Designed for libraries, the chair follows anyone carrying a matching RFID library card. Check out this video for a demo of the device.

"It's fantastic," writes Gizmodo's Jason Chen. "What you do is swipe your RFID-enabled library card in front of the chair's sensor, which then follows you (or your card) around the library so you always have somewhere to sit. Once you cross a line near the checkout counter, the chair returns back to its docking station to re-juice and get ready for the next guy's ass..."

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