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

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...

Search for family ancestors. Billions of free family tree, family history, ancestry, genealogy and census records.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights a...

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

Diigo is a powerful research tool and a knowledge-sharing community