Steve Sloan, a New Media in Journalism instructor at San Jose State University has posted a series of synopses of both Cluetrain Manifest and Naked Conversations. For those of you who would like free executive summaries, these are the "go to" posts.
This link brings you to the beginning of naked Conversations and the end of Cluetrain. Read up and click forward to follow Naked. Click back a few times to get to the beginning of Cluetrain.