at 6:15 p.m. You probably have the class every week
at that time. Another comment says, “Volunteering
for Emily’s class at Carl Sandburg,” and the time is
11:15 a.m. A reader learns that you volunteer and you
know a little girl (probably related) at a specific ele-
mentary school. Between friends, this intimacy can be
a wonderful exchange, but with the public, it quickly
represents a level of risk you may not welcome.
➟ These sites often ask you to see if your friends are on
online; they do this by searching your e-mail contacts
database, which gives them access to all your family,
friends and acquaintances.
Figure 7-9
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Part II: Using the Internet While Dodging the Risk