Gmail's new social-networking feature, Buzz, is getting a wave of backlash:

One problem that immediately caused concern was Google's decision to automatically give users a ready-made circle of friends based on the people they most frequently e-mailed. Unless users changed settings in their profile, this list could automatically be made public, allowing anyone to see who a user corresponded with most frequently.  [P]rivacy experts immediately pointed out this could cause problems for journalists, businesses or even people having an illicit affair.

"If I were working for the Iranian or the Chinese government, I would immediately dispatch my internet geek squads to check on Google Buzz accounts for political activists and see if they have any connections that were previously unknown to the government,"  [Evgeny Morozov] wrote.

Morozov continues here.