Skuuudle - Discover, match and monitor your eCommerce competitors.
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Price2Spy - Price2Spy is a price monitoring, pricing analytics, and repricing tool, meant to help eCommerce professionals keep an eye on their competitors or retailers.
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.
Prisync - Prisync is a competitor price tracking and monitoring software for all sizes of e-commerce companies worldwide.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.