HEATKEYS

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

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

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

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

Feel the news along with Stephen Colbert, America

Your guide to FREE educational media. Find thousands of free online courses, audio books, textbooks, eBooks, language lessons, movies & more.

The Big History Project is dedicated to fostering a greater love and capacity for learning among high school students. Started by Bill Gates and David Christian our goal is to get Big History taught to as many students around the world as possible.

See what your friends are reading. Keep track of what you

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

Check out http://davidchristian.com!