The AMA Hot Topic Series – The Social Customer Manifesto Podcast The American Marketing Association's Hot Topic series – Feb. 15, 2006 – included discussions on: podcasting, video blogging, word of mouth marketing (WOM), RSS, interactive social networking, etc. Christopher Carfi and Leif Chastaine review this AMA Hot Topic series, give an update on the state of the blogosphere via Jupiter Research, Pew, and Technorati, and shine a light on "Charter Street," the new blog from Paul McNamara and Greg Olsen. Note: The podcast is 38 minutes – huge file to download, but worth it if you have a high-speed connection.