i think it is just because it is an age where you are more responsible (and of course you are a teenager) but also becauseit is very lame for the 12 yr olds like me who is waiting for just over 2 weeks!
You have to be 13+ to join Facebook legally. If you join Facebook when you are under thirteen and are discovered your account will be terminated.
You must be over the age of thirteen to join Facebook.
Thirteen
privacy reasons, and it helps prevent against lawsuits
In order to be eligible to sign up for Facebook, users must be thirteen (13) years of age or older.
You must be at least thirteen years of age to have join answers.com
Without clarifying what you are joining, it is not clear whether or not you need a Facebook account to do so. For example, you do not need a Facebook account to join in a game of baseball, you just show up and ask the people there. However, you need a Facebook account to join WikiAnswers.
Without clarifying what "wiki" you are joining, it is not clear whether or not you need a Facebook account to do so. For example, you do not need a Facebook account to become a member of Wikipedia. However, you need a Facebook account to join WikiAnswers.
No, The beginning age limit is 13. For more information you may want to check their homepage.You have to be thirteen or older to join Facebook.
Well, Facebook only allows people of ages thirteen years or older to join so it depends on what their parents think about them joining the site.
No way... facebook can only charge you when you need credit XD
No, a Facebook account is not required. You can sign up with either Facebook, Twitter or your email address.