Have you ever wondered why you have to be 13 to use most social media sites?  Sites like Twitter, Instagram, Facebook, Snapchat and more, all require you to be at least 13 in order to use the site.  This is because there are laws in the United States, called the Children's Online Privacy Protection Act, which makes it illegal for companies to advertise to younger children.  Because social media sites use advertising, they cannot allow children under the age of 13 be on the them.

Did you notice that this infographic states that you have to be 18 to use youtube?  According to Youtube's terms of use agreement, children who are ages 13-18 may use youtube, with parent permission.