[nailer]

Really? I'm gen Y and it's a few times a week for most of my circle of friends. My younger cousins (gen Z?) around 13-15 are about the same.

[rms]

This is one survey I found, thoug I'd be very interested in seeing a more statisticall valid survey. http://nmc.itdevworks.com/index.php/2009/08/facebook-usage-h...