HEATKEYS

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 ...

foursquare

Socialbakers - Online Facebook statistics portal

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.

Emporis is a leading database for building information worldwide. You find information about construction projects, architecture, the building industry and city planning.

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest quality video in the universe.

For iPhone developers who love their apps, App Annie keeps tabs on your apps, making it easy to track sales, rankings, and reviews from around the world.

Track and analyze your app sales. Supports iTunes, Android Market, RIM App World, Windows Phone 7 Marketplace, Amazon Appstore, Handango, MobiHand, and more

Download new apps, games, drivers, fonts for Windows, Mac OS, Linux, iPhone/iPad and Android. A lot of free downloads and many user reviews.

AppSpy gives you the latest news and reviews on iPhone, iTouch games and apps, including reviews, videos, news, price changes, and more.

Huge directory of Food & Beverage, Agriculture, Chemicals, Telecommunications, Computer Hardware & Software, Construction & Real Estate, Energy, Furniture & Furnishings, Health & Medical, Business Services, Tra...