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

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest quality video in the universe.

ShowMe is an open online learning community where anyone can learn and teach any topic. Our iPad app lets you easily create and share video lessons.

Prezi is the zooming presentation editor

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

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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 and experience.

Translation service and translation jobs for freelance translators and translation agencies.

Teach what you know. Learn what you don

Calculadoras Matemáticas Online.

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