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These websites are pages that students and teachers can highlight and add comments to webpages.
A web annotation is an online annotation associated with a web resource, typically a web page. With a Web annotation system, a user can add, modify or remove information from a Web resource without modifying the resource itself. The annotations can be thought of as a layer on top of the existing resource, and this annotation layer is usually visible to other users who share the same annotation system, making it a type of social software tool.
created May 28, 2011
updated June 14, 2016