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Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

Twitter is without a doubt the best way to share and discover what is happening right now.

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

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Find what you want in a library near you with WorldCat, a global catalog of library collections.

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Google+ aims to make sharing on the web more like sharing in real life. Check out Circles, Messenger and Hangouts, just a few of the things we've been working on.