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 fr...

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

Travel guides and guidebooks. Travel advice, tips and destination information to inspire you from Lonely Planet

The Weather Channel and weather.com provide a national and local weather forecast for cities, as well as weather radar, report and hurricane coverage.

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

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

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections t...

Geographic.org home page - Geography, climate, countries, Maps, Flags, Population

Rate Your Music is an online community of people who love music. Catalog, rate, tag, and review your music. List and review the concerts you

Manta provides free company profiles & company information on U.S. and International companies, including market research reports, business news, ...

Universidad Nacional de Colombia on academia.edu