Over 2.5 million sites have self-labeled with the Restricted to Adults – RTA website label to help you prevent your children from accessing their age-restricted content. Now it’s up to you to activate the parental controls on your children’s computers, cell phones, Xbox, etc.

Learn about the various options at http://asacp.org/index.php?content=parental_guidelines
Examples
Apple - http://www.apple.com/findouthow/mac/#parentalcontrols
Microsoft - http://windows.microsoft.com/en-US/windows-vista/Set-up-Parental-Controls
AT&T - http://www.att.net/smartcontrols-WirelessParentalControls

Enjoy a happy and safe holiday with your children.