The document discusses how various internet tools can enhance teaching and learning. It analyzes social networking sites and web pages as examples. Edmodo is presented as a useful social networking site for educators that allows sharing of course content and student interaction. In contrast, WorldWar-2.net is criticized as a poor source for students despite its appearance, due to lack of academic review, commercial advertisements, and superficial coverage of events. Overall, the document argues that while the internet provides many tools, teachers must carefully evaluate sources to find those best suited for educational purposes.