Figure 2-4
Although Web sites learn this information, they may or may not use it
in any way other than to improve their services. They may also sell
information about their general audience demographics to advertisers,
who want this information to better target ads. In general, this isn’t par-
ticularly invasive, but some cases may warrant particular attention. For
example:
➟ If the Web site you just visited was a medical site con-
taining information about an illness you have, the
next Web site you visit knows you were looking at
that information.
Web sites can track your online activity
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Part I: The Foundation of Using the Internet Safely