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 qualit...

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

TED is a small nonprofit devoted to Ideas Worth Spreading -- through TED.com, our annual conferences, the annual TED Prize and local TEDx events.

Academia.edu helps academics follow the latest research.

The world?s largest online music catalogue, powered by your scrobbles. Internet radio, videos, photos, stats, charts, biographies and concerts.

PhotoSnack is an online photo slideshow maker that allows you to create professional photo slideshows and share them on the web. Flash photo slideshow...

Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a ...

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...

Forvo: the largest word pronunciation dictionary in the world, now with translations. All the words in all the languages pronounced by native speakers

Prezi is the zooming presentation editor