Two of my colleagues posted some interesting links within Yammer for NIST staff. I thought the information might be helpful to others as well.
Don Libes posted a link to Template Twitter Strategy for Government Departments from the UK. It is lacking any data on cost, but does have some good points. As an addendum to that, Allan Eustis shared a site with us that allows users to capture their Twitter feed, PrintYourTwitter.
Bryan Klein linked to an article, US Federal Government Releases Cloud Computing Initiative RFQ.