File:Spin (Bookmark)1.jpg

Commons Attribution-Share Alike 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license. You are free: to share – to copy, distribute and transmit

Commons Attribution-Share Alike 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license. You are free: to share – to copy, distribute and transmit

. . . . . . . . 12 Additional Chapters 13 Social Bookmarking and Tagging 13.1 Social Bookmarks . . . . . . . . . . . . . . . . . . . . . . . . . .

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