I would just like to add that the 360 has parental locks that you can use to make sure your children don't see anything that is age restricted.
Loading User Information from Channel 9
Something went wrong getting user information from Channel 9
Loading User Information from MSDN
Something went wrong getting user information from MSDN
Loading Visual Studio Achievements
Something went wrong getting the Visual Studio Achievements
I would just like to add that the 360 has parental locks that you can use to make sure your children don't see anything that is age restricted.