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Over 1 million professors & 10 million opinions. Rate My Professors is the best source of professor ratings based on student feedback. Find & rate a professor!

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

See what your friends are reading. Keep track of what you

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

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 ...

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Academia.edu helps academics follow the latest research.

RateMyTeachers.com is an educational resource for students and parents to rate teachers anonymously in three categories: easiness, helpfulness and clarity.

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.

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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.

Name popularity and search trends on WhitePages. What