I have nothing whatsoever to add here, other than a hearty exhortation to go read this.
At a recent Fellows Hour at the Berkman Center the topic was something like “Whatever happened to blogging?,” with the aim of thinking about how Berkman can take better advantage of blogging as a platform for public discussion. (Fellow Hours are private. No, this is not ironic.) They asked me to begin with some reflections on what blogging once was, because I am old. Rather than repeating what I said, here are some thoughts heavily influenced by the discussion.