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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 ...

Online Doctors - Live Chat Now. FREE medical Q&A. Certified Specialists Online. 50,000+ hours of chat served. Over 92% excellent feedback.

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Answers from thousands of trusted physicians. Anytime, anywhere. For FREE! Now also available on your iPhone, iPad, and Android!

Mayo Clinic — Comprehensive medical diagnosis and treatment; locations and services; request an appointment.

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...

PC-Doctor develops 300+ computer diagnostics tests used in testing all PC hardware including computer motherboards, CPUs, hard drives, RAM memory, and power supplies from Windows or DOS, in addition to system information solutions used by PC manufact...

Academia.edu helps academics follow the latest research.

YouTube is a place to discover, watch, upload and share videos.

Prezi is the zooming presentation editor

Medical communities and forums staffed by doctors from leading medical centers. Over 325 forums and communities providing medical information and medical help.