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

Prezi is the zooming presentation editor

SpaceBanter space science and astronomy forum. Topics covered include space technology, the space station, space news, policy, history,amateur astrono...

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

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

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

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

SumoBrain - Big, Powerful, Smart Searching

foursquare

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...