Talking Tags

New high-tech labels help libraries track books, but worry privacy advocates

Colloquy: Read the transcript of an online discussion about whether libraries' increasing use of high-tech tags to keep track of books poses a threat to privacy and civil liberties by enabling library patrons to be tracked.By SCOTT CARLSON

Some college libraries have replaced the bar codes on their books with high-tech tags that can silently transmit information, a change that might escape the notice of

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