So if you're thinking about us as an annotation layer on the news, there's not going to be 10 different annotation layers on the news.

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The tool also makes it easy to insert graphs or charts, thanks to an "Add Annotation" option that integrates diagrams directly into your lecture notes.

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The Kindle and the Nook are beginning to get at some of this functionality with annotation, dictionary, and Wikipedia integration.

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Also, as a first for Android and Samsung, Awesome Note (a cloud-based annotation app previously available only on iOS) has been integrated into the device as a free service, exclusive to the OEM for one year.

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