Apparently the current generation that has grown up with the Internet (under age 25) are shunning the “web 2.0″ social interaction as compared to older generations. Apparently the Internet is seen as boring/passé as compared to real life interaction. So there might be a down-turn before an equilibrium is reached.

http://www.spiegel.de/international/zeitgeist/0,1518,710139,00.html