Con: Authors are unknown and unprovable, so the articles fail in the most basic aspect of evaluating information: determining author credentials.
Con: What you read in an article today could change a minute from now.
Con: It's entirely possible for people to plant deliberately misleading information just to trick you.
Con: Wikipedia requires documentation for information, but often contributors either do not include sources, or include sources that are only available on the open web, leaving out a large body of scholarly articles and books.
IRIS-42 is an Information Literacy project developed with a grant from the Distance Learning Council of Washington, 2007-2008. Some content, images and activites were inspired by, and/or copied/adapted from TILT: The Texas Information Literacy Tutorial. This material may be distributed only subject to the terms and conditions set forth in the TILT Open Publication License (the latest version: http://tilt.lib.utsystem.edu/yourtilt/).