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

See what your friends are reading. Keep track of what you

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

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

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...

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

foursquare

Maps, directions, photos and street views for mobile and desktop computers.

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