brotherhood_of_LAN - 2:47 pm on May 24, 2011 (gmt 0) [edited by: brotherhood_of_LAN at 3:11 pm (utc) on May 24, 2011]
At the moment that age limit is dictated by the Children's Online Privacy Protection Act which was made Federal Law in America in 1998.
But Zuckerberg says he's willing to fight to change the law.
"My philosophy is that for education you need to start at a really, really young age.
"Because of the [legal] restrictions we haven't even begun this learning process.
"If they're lifted then we'd start to learn what works."
My initial reaction to this is "what about the things that don't 'work'"
[edited by: brotherhood_of_LAN at 3:11 pm (utc) on May 24, 2011]