Snaptivity - Real-time photo sharing with the world nearby
Yelp - The free Yelp mobile app is the fastest and easiest way to search for businesses near you. Download it now to get started.
Flashgap - Time-delayed photo-sharing app of last night's embarrassment
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Poparazzi - Take photos of your friends
Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.