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.

San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

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...

Prezi is the zooming presentation editor

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 friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

The Creative Professional Platform. The world

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.

Diigo Groups provides a ground-breaking collaborative research and learning tool that allows any group of people to pool their findings through group bookmarks, highlights, sticky notes, and forum.

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