Privacy concerns have been raised about the new Google Buzz social networking tool.

"At issue is a feature that compiles a list of the Gmail contacts who users most frequently e-mail or chat with," writes Computerworld's Robert McMillan. "Buzz automatically starts following these people and makes the list public, meaning strangers can see who Buzz users have been in contact with."

"Reached Wednesday afternoon, a Google spokesman had no immediate comment," McMillan writes.

Click here to read the Computerworld article.