For most of us, privacy means an unlisted telephone number. But what about your Social Security number? Your credit card numbers? Your bank account statements? Your personal health data? You may think this information is also secure, but if you'...

From cyberspace to crawl spaces, new innovations in information gathering have left the private life of the average person open to scrutiny, and worse, exploitation. In this thoroughly revised update of his immensely popular guide How to Be Inv...