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Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

Prezi is the zooming presentation editor

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

An index of current online research in Philosophy. Also contains bibliographies, discussion forums, and advanced research tools for researchers.

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.

AbeBooks is your source for Used, New, Rare and Out of print books. Find classic collectibles, rare signed editions, used textbooks, and inexpensive bestsellers from independent booksellers worldwide.

LibraryThing catalogs your books online, easily, quickly and for free.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

The Book Depository offers 2.2 million books with free shipping worldwide. No registration required to order.

Academia.edu helps academics follow the latest research.

Find local events in your town or across the world on Eventful. We