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

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Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web page...

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

Universitat de Lleida on academia.edu

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...

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the worl...

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessori...

Search translations in the dictionary and have fun learning languages with vocabulary lessons and many free games and quizzes.

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