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Cellphone can be a gateway to your private life

US investigators find that a cellphone number can provide much more information than a Social Security number because it is tied to so many databases

San Francisco hairstylist Taylor Gallanter does not provide her cellphone number on online forms unless it is required. She said using her email address as contact information seems less invasive and risky.

New York

THE next time someone asks you for your cellphone number, you may want to think twice about giving it.

The cellphone number is more than just a bunch of digits. It is increasingly used as a link to private information maintained by all sorts of companies, including money...

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