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Learn Spanish free online, learn German free, study English online and other foreign languages. Practice vocabulary in many languages with Vocabulix

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 ...

Find opposite or similar words at WordHippo.com.

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

The authoritative Collins dictionaries now available online. Search amongst hundreds of thousands of words and expressions in Spanish, French, German, Italian, Chinese, Portuguese, Russian and synonyms dictionaries.

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

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

Free online calorie counter and diet plan. Lose weight by tracking your caloric intake quickly and easily. Find nutrition facts for over 450,000 foods.

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.

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.