The document discusses how to determine the credibility of online sources. It notes that .edu, .org, and .gov domains are most credible and that information should be evaluated based on the authority, objectivity, quality, coverage, and currency of the content. Credible sites consist of legitimate authors without biases who use facts, statistics, and up-to-date information from reliable sources. Determining online credibility can be difficult as anyone can post information and Wikipedia contains inaccuracies in about 1 in 8 articles.