I found this fascinating quote on Twittermaven today:
As you'd expect, the world of Twitter has been abuzz. For the last two days, the conversation about the article has been robust as it seemed that everyone had something to say about ambient awareness. And of course, there were some great pieces written about the article. Alan Wolk wrote an amazing piece, Social Media's Defining Moment, identifying the importance of the article "because it's outside the usual geekosphere bubble and has the imprimatur of social science. The placement in the Times means that it should be getting a lot of traction since it's the first place many non-tech journos will go for insight into "that whole Twitter thing."Warren, Twittermaven, Sep 2008
You should read the whole post.