Parents.
Ultimately, it is up to parents to decide how much freedom their children should have on the internet. A variety of web filtering software exists, most with varying levels of protection to suit individual family's needs. Perhaps more importantly, open conversations about these issues can help steer children away from dangerous websites. Through the use of a few software tools and an open dialogue, you can help ensure that your child gets the most out of the internet, without falling prey to any of its dangers. After all, it certainly is a wide world web.

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