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

Translation by Babylon is a free online version of Babylon

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

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...

TED is a small nonprofit devoted to Ideas Worth Spreading -- through TED.com, our annual conferences, the annual TED Prize and local TEDx events.

Vocabulary.com helps you learn new words, play games that improve your vocabulary, and explore language.

Prezi is the zooming presentation editor

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

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Synonyms.net: The A to Z of word synonyms, thesaurus and antonyms on the Net!