In June, Google unveiled the test phase of its new social network, Google+. While Google+ is regarded as Google’s “response” to Facebook, the service is Google’s second attempt at social networking after privacy problems plagued Google Buzz, a Twitter like service based around user updates.

Key questions that may impact the ultimate success of Google+ are whether Google+ has addressed those user privacy concerns and whether opening Google+ to third-party advertisers and brands will leave it vulnerable to the flaws that doomed Google Buzz.

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