I'm not surprised, but the real question is what will happen with them as they age. Will they become more like the Madison Avenue insiders who are driving the hype surrounding emerging platforms, especially Twitter? Or will they carry their habits forward. If it's the latter, it raises some serious questions for the industry, as well as for the continuing domination of Facebook.
One other interesting observation: When the panel broke up, and the kids took to the side of the stage, two of them immediately started tapping on their hand-helds, three of them did not.