RFID Chips Are Here -- "I'm here to tell you that the bar code's days are numbered. There's a new technology in town, one that at first blush might seem insignificant to security professionals, but it's a technology that is going to be a big part of our future. And how do I know this? Pin it on Wal-Mart again; they're the big push behind this new technology. So what is it? RFID tags." (Comments: RFID tags: Big Brother in small packages)