题目内容
A tracking cookie is generally used by an advertising company affiliated with a website you have visited to keep track of your web activity as you move from one site to the next.
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Web bugs are usually hidden within the HTML code for a web page or in an e-mail message as an invisible image.
It is against the law for keystroke loggers to be deposited on your hard drive by the company you work for.
Spy removal programs are designed to detect and remove various types of privacy threats.
The archiving and search features of the web make your online identity available indefinitely.
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