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Twitter is without a doubt the best way to share and discover what is happening right now.

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 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...

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

IDEAS is a central index of economics and finance research, including working papers, articles and software code

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Prezi is the zooming presentation editor

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Academia.edu helps academics follow the latest research.

LikeAlyzer helps you to measure and analyze the potential and success rate of your Facebook Pages. Get your review today!

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