Another of the Governing magazine articles on social media in government: The Web 2.0 Paper Trail Problem. At issue in this article is complying with open records requests in social network communications.
Many people use open records compliance issues as a reason not to utilize social networks and social media. If you make the Facebook page for your city and your Twitter account public, where is the issue? A citizen can see everything that has occurred. It is, by definition, open. I think this is a moot issue.