This is interesting. It looks like the United Kingdom is insisting on complete transparency in terms of marketing and social media.
http://adage.com/digital/article?article_id=126667

Check out Jason Falls' blog post about "How to Get Placement on Blogs." He alludes to an interesting question -- how does your strategy for getting placed differ from one type of blog to another?
http://www.socialmediaexplorer.com/2008/04/28/how-do-i-get-placement-on-blogs/

This is an interesting twist. Miller Brewing Company has an employee who maintains the "Brew Blog." He blogs about, what else, beer. While his posts cover a number of beer-related topics, this Wall Street Journal article suggests that one of his favorite pastimes is scooping Anheuser-Bush's PR releases. The blog indicates "BROUGHT TO YOU BY THE MILLER BREWING COMPANY," so transparency appears to be in play.
http://online.wsj.com/article/SB120829767153417401.html?mod=djemMM

This is sort of the ultimate in involving/engaging one's customers. Radiohead is making stems of its music (bass, drums, vocals, etc.) available so fans can remix it as they see fit. I wonder how many artists or marketers would be willing to take a risk like that?
http://blogs.mediapost.com/social_media_insider/?p=12

Jason Falls, Social Media Explorer for Doe-Anderson Advertising Agency in Louisville, offers some excellent guidelines for starting a corporate blog --
http://www.socialmediaexplorer.com/

Barack Obama has effectively employed new media in his campaign -- http://www.fastcompany.com/magazine/124/the-brand-called-obama.html

Ford is redesigning its F-Series trucks in a way that is likely to generate word-of-mouth and word-of-keyboard communication:
http://publications.mediapost.com/index.cfm?fuseaction=Articles.san&s=80126&Nid=41298&p=911887