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

Vocabulary.com helps you learn new words, play games that improve your vocabulary, and explore language.

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

Scratch: a programming language for everyone. Create interactive stories, games, music and art - and share them online.

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...

Good old Wikipedia, great new look

Home for Public Domain Pictures. Free for private and commercial use.

Angelfire is a great place to build and host a website, with free and paid hosting packages. Use Angelfire

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

Prezi is the zooming presentation editor