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rfidtracking.jpg
an RFID tag tracking data visualization created for a party at the San Francisco Museum of Modern Art. attendees were handed radio frequency identification (RFID) tags that had to be placed on their clothes. their movements & location were tracked, & then indicated on a screen.
each vertical column indicates a separate RFID tag. the colors show where in the room the tag was read. newer arrivals are positioned to the right, while black means that the person had left the reception. [news.com.com|via engadget.com]