题目内容
These programs record virtually everything you do on your computer and are used by employers to search employee e-mail and computer files.
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Small data files that are deposited on a user's hard disk when they visit a website are called _______.
These are used by advertisers to keep track of your web activity as you move from one site to the next.
Programs used to secretly record an individual's activities on the Internet are called _______.
Which type of program would likely be used by investigators to record a potential suspects' Internet activities?
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