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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

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

Prezi is the zooming presentation editor

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.

Facebook helps you connect and share with the people in your life.

HPB Marketplace: Shop Half Price Books Online for New & Used Books, Textbooks, and More

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

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

StumbleUpon is a discovery engine that finds the best of the web, recommended just for you.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...