HEATKEYS

foursquare

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

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

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.

Academia.edu helps academics follow the latest research.

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

Change.org is the leading site for social change, providing daily news and information about important social issues and empowering people to take action.

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 ...

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...

Fonolive is a free, simple community search platform. For everything fun and local, you can find it on fonolive. Find and learn about touristic attractions, local restaurants, local hotels, nearby performing arts, events, activities, concerts, new pl...

dgMarket is the largest international portal for tenders and procurement opportunities from governments and international organizations.