HEATKEYS

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

foursquare

Jetpac: Travel photos, travel tips and travel guides from your friends. See how much of the world have your friends have conquered. Where will you take your Jetpac?

Discover Time Out Worldwide, with comprehensive city listings and travel guides for the world's greatest cities.

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

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.

Foodspotting is a visual guide to good food and where to find it. It

mygola is a travel planning service that allows you to have an expert do all the online research for you. You can rely on these experts to plan everything from quick weekend trips to month-long backpacking trips. | mygola

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

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

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 ...