The internet is full of wonderful things: fantastic resources of information, communication channels that let you stay connected with friends around the world, shopping sites, places to learn, etc. Just like the real world, however, there are unpleasant areas and unpleasant people. You can find or stumble upon shocking, offensive or even dangerous areas. For parents whose children are using computers (or cell phones or tablets) online, the worry is that those children will find offensive and shocking material or fall prey to malicious people.