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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 ...

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

Prezi is the zooming presentation editor

San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

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

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...

Find what you want in a library near you with WorldCat, a global catalog of library collections.

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest quality video in the universe.

FREE SEO & PPC Keyword Research software tool, that unveil your competitors’ most profitable Ad copies & keywords. Learn from time-tested Ad campaigns.

Academia.edu helps academics follow the latest research.