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Content: The openness of the Internet has a dark side, however. The Internet is a place where anyone can say anything. Unlike a real encyclopedia, there are no editors, no fact checkers, no one to make sure that what is said is accurate, true, or well-intentioned. So, mixed in with this richest of all collections of human knowledge are propaganda, misinformation, lies, slander, irrational expressions of hatred, and the very strange causes and arguments of some very strange people. Anyone can have a voice to address the world. Maybe the Internet is like the whole human psyche opened up for everyone to see, with examples of the very best and worst of human nature side-by-side. If everyone can access the best and worst of information on a world-wide scale, it changes the nature of education. Learning cannot just be memorizing pre-selected knowledge from books and teachers. Students have to be able to enter into the world of the Internet and independently tell the difference between valid knowledge and misleading or wrong information. The Internet can be a dangerous place.