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.

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.

Plan a trip, book cheap airfares, purchase airline tickets, make hotel reservations, and find vacation packages, car rental & cruise deals at the travel agency rated #1 in customer satisfaction.

Compare hundreds of travel sites at once. Find a deal on the flight, hotel, car rental or vacation you want.

foursquare

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.

Honest hotel reviews, millions of travel buddies, and thousands of travel blogs to help plan your next trip. Share travel tips, find a travel buddy, or blog about your travel experiences, all for free.

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