HEATKEYS

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 ...

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

TripAdvisor - Unbiased hotel reviews, photos and travel advice for hotels and vacations - Compare prices with just one click.

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

Nameek

Buy and sell handmade or vintage items, art and supplies on Etsy, the world

foursquare

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...

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

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

Prezi is the zooming presentation editor

Google+ aims to make sharing on the web more like sharing in real life. Check out Circles, Messenger and Hangouts, just a few of the things we've been working on.