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 ...

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.

Translation by Babylon is a free online version of Babylon

foursquare

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

Yahoo! Groups offers free mailing lists, photo & file sharing, group calendars and more. Discuss hot topics, share interests, join online communities.

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

Good old Wikipedia, great new look

EBSCOhost (ebscohost.com) serves thousands of libraries and other institutions with premium content in every subject area. Free LISTA: LibraryResearch.com

Socialbakers - Online Facebook statistics portal

Create stories using social media. Turn what people post on social media into compelling stories. Collect the best photos, video, tweets and more to publish them as simple, beautiful stories that can be embedded anywhere.