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 fr...

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections t...

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessori...

Where Science Excites the Imagination. PARI is a Not-For-Profit Foundation which relies on generous contributions from our FRIENDS to support our mis...

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Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the worl...

VCExperts is a resource for private equity and venture capital education and reference material

Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning...

Ohloh is an open source directory that anyone can edit. It features comprehensive metrics and analysis on thousands of open source projects.