HEATKEYS

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...

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

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Alibris for Libraries is the leading library service for older in-print and out-of-print books, retrospective collecting, and replacement project management

Prezi is the zooming presentation editor

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.

Scribd is a social publishing site, where tens of millions of people share original writings and documents. Scribd

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.

Quizlet is a lightning fast way to memorize vocabulary lists. It

Docstoc is a community for people to find and share professional documents. Find free legal documents and free business documents.

Academia.edu helps academics follow the latest research.