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TripAdvisor - Unbiased hotel reviews, photos and travel advice for hotels and vacations - Compare prices with just one click.

Alibris for Libraries is the leading library service for older in-print and out-of-print books, retrospective collecting, and replacement project management

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...

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

Free online language dictionaries for your translations: english, italian, spanish, german, french ...

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

Academia.edu helps academics follow the latest research.

Geocaching is a treasure hunting game where you use a GPS to hide and seek containers with other participants in the activity. Geocaching.com is the listing service for geocaches around the world.

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 ...