In a post titled "The Temporary Web", Jeff Jarvis muses on the temporary nature of the internet after Twitter. It's these three or four sentences which strike a chord with me, highlighting a shift in the collective consciousness:

While sort of cheesy sounding, this post on Social Media Today strikes a chord with me, and resonates with another lengthy argument Ze Frank is making in this post (which is totally worth the read). Talking about success in the 21st century, we don't just talk about innovation, and we don't just talk about having more access to information than other people. We talk about people who are completely and totally engaged in their jobs.

This talk Danah Boyd gave distills the reasons why we see a generation divide within Twitter users, and why the most active people on social networking sites (those with the most friends or the most avidly involved in apps) are middle-aged folks, not the youngsters assumed to be early adopters.