tracking tools on the test computer used for the study. (7) This is 30-percent greater than the number of such tracking tools that were placed on the test computer in a similar study of the 50 overall most popular websites in the United States, which are generally directed to adults. (8) Children and teens lack the cognitive ability to distinguish advertising from program content and to understand that the purpose of advertising is to persuade them, making them unable to activate the defenses on which adults rely. (9) Children and teens are less able than adults to understand the potential long-term consequences of having their information available to third parties, including advertisers, and other individuals. (10) According to Common Sense Media and the Center for Digital Democracy, 90 percent of teens have used some form of social media, 75 percent have a social networking site, and 51 percent check their social networking site at least once a day. (11) Ninety-one percent of parents and 91 percent of adults believe it is not okay for advertisers to collect information about a child’s location from that child’s mobile phone. (12) Ninety-four percent of parents and 91 percent of adults agree that advertisers should receive the parent’s permission before putting tracking software on a child’s computer. (13) Ninety-six percent of parents and 94 percent of adults expressed disapproval when asked if it is okay for a website to ask children for personal information about their friends . (14) Eighty-eight percent of parents would support a law that requires search engines and social networking sites to get users’ permission before using their personal information. (15) A Commonsense Media/Zogby poll found that 94 percent of parents and 94 percent of adults believe individuals should have the ability to request the deletion, after a specific period of time, of all of their personal information held by an online search engine, social networking site, or marketing company. (16) According to a Pew/Berkman Center poll,