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

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

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

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

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IDEAS is a central index of economics and finance research, including working papers, articles and software code

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Prezi is the zooming presentation editor