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 ...

foursquare

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

Chowhound allows food enthusiasts to discover the best recipes and resources for cooking, eating, growing and making food. Find tips, tricks, and support by connecting to a community of food contributors.

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

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

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...

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

Listen to online radio, find streaming music radio and streaming talk radio with TuneIn. The best guide to every type of radio: conservative, progressive, public, news, sports, religious, jazz, classical, rock, country, business, latin, hip-hop, pop...