What are the impacts of the government using social networks and other commercial services to communicate with the public and for internal communications? What are the impacts of what is recorded at all when staff knows that their words will be publicly available later? These and other issues are covered in a fascinating overview of the Presidential Records Act:

• Why Did the Bush White House Copy and Print Every Email It Received? It's a Long Story, By Nneoma Amadi-obi, History News Network (Jan. 4, 2010).

There are interesting and informed comments to this article, including two (so far) by the always insightful Maarja Krusten, who worked for years in NARA's Office of Presidential Libraries.