Children's and Minor's Privacy <p>Children under the age of 13 are not permitted to use our sites and services. We do not knowingly collect personal information from children under the age of 13 or utilize plug-ins or ad networks that collect personal information through child-directed third-party websites or online services. If we learn that we have collected personal information from a child under 13, we will take steps to promptly delete such information.</p> <p>Our sites and services generally require users to be at least 18 years of age.