good: information is found, packaged, and presented to users. But,
the system can also spin out of control when users feed it false in-
formation. With one bad input, the connections between the sites
can cause the entire system to amplify and echo false information.
The amplification starts when one user copies bad information to a
“Web 2.0” site, that website automatically spreads it to others, and
then another user repeats the process—the cycle repeats uncontrol-
lably until the false information has been distributed far beyond
where it should be. For example, a false story posted on the social
news site Digg might be shared by users of the social networking site
Facebook, which might be “tweeted” by users of the short-form mes-
saging site Twitter ...