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...

Create your own educational games, quizzes, surveys, and web pages. Search millions of games and quizzes created by educators around the world.

Prezi is the zooming presentation editor

UNSA - Universidad Nacional de San Agustin de Arequipa on academia.edu

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

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Classify is an OCLC Research prototype that helps you classify books, magazines, movies, and music using the Dewey Decimal Classification system or th...

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

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web page...

Scribd is a social publishing site, where tens of millions of people share original writings and documents. Scribd