A very useful e-book, understandably a little biased into Microsoft’s tools, particularly Bing, full of good references to critical thinking resources, accompanied with a vast selection of links to related sites.
How do you identify and avoid spreading misinformation, myths, and urban legends on the internet?
employ a healthy level of skepticism for what you're reading, watching, or otherwise consuming—on the internet or elsewhere
Snopes is "the definitive Internet reference source for urban legends, folklore, myths, rumors, and misinformation"—and for the most part, it actually does live up to that goal.