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...

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

StumbleUpon is a discovery engine that finds the best of the web, recommended just for you.

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...

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

For iPhone developers who love their apps, App Annie keeps tabs on your apps, making it easy to track sales, rankings, and reviews from around the wor...

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